IPA Kelas 10 - Efek Rumah Kaca & Pemanasan Global | GIA Academy

GIA Academy
20 Mar 202316:54

Summary

TLDRThe video script from Gia Academy on YouTube explains the greenhouse effect, a natural phenomenon causing global warming due to the trapping of solar radiation by certain gases in Earth's atmosphere. It discusses the role of greenhouse gases like CO2 and methane, their sources from human activities, and the consequences of global warming, such as rising temperatures, melting ice caps, and extreme weather patterns. The script also suggests ways to mitigate climate change, including the use of renewable energy, energy-efficient practices, and eco-friendly technologies.

Takeaways

  • 🌡️ The 'Greenhouse Effect' is a natural phenomenon where certain gases in the Earth's atmosphere trap heat, leading to global warming.
  • 🏡 The term 'Greenhouse' originally refers to a structure made of transparent glass used for cultivating plants, designed to retain heat from the sun.
  • ☀️ Solar radiation reaching the Earth's surface is absorbed, reflected, and some of it is trapped by greenhouse gases, causing the planet to warm up.
  • 🌌 Infrared radiation emitted by the Earth is partially absorbed by greenhouse gases, which then re-radiate heat in all directions, including back to the Earth's surface.
  • 📉 Without significant greenhouse gases, the Earth's surface would be cooler as solar radiation could freely escape back into space.
  • 🔢 The greenhouse effect can be mathematically represented, showing that the Earth's surface temperature is higher due to the presence of these gases.
  • 🌳 Carbon dioxide (CO2) and methane (CH4) are the primary greenhouse gases contributing to the effect, with sources ranging from fossil fuel combustion to agricultural activities.
  • 🚗 Human activities, such as the use of fossil fuels for energy and transportation, deforestation, and industrial processes, are significant contributors to the increase in greenhouse gases.
  • 🌍 The continuous and uncontrolled greenhouse effect leads to global warming, which is expected to raise global temperatures by 1.1 to 6.4 degrees Celsius by the year 2100.
  • 🌊 The consequences of global warming include rising sea levels due to the melting of polar ice, extreme weather patterns, and increased ocean acidity.
  • 🌱 To mitigate global warming, actions such as using renewable energy sources, reducing energy consumption, and adopting environmentally friendly technologies and practices are essential.

Q & A

  • What is the greenhouse effect mentioned in the script?

    -The greenhouse effect is a natural process that leads to the warming of the Earth's surface due to certain gases in the atmosphere trapping heat and preventing it from escaping into space.

  • How does a greenhouse work in terms of heat retention?

    -A greenhouse is designed to trap the sun's heat, preventing it from easily escaping, thus maintaining a warmer temperature inside compared to the outside environment.

  • What are the primary gases responsible for the greenhouse effect?

    -The primary greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), sulfur hexafluoride (SF6), and nitrogen trifluoride (NF3).

  • How do greenhouse gases contribute to global warming?

    -Greenhouse gases absorb and re-emit infrared radiation, trapping heat between the Earth's surface and the atmosphere, leading to an increase in global temperatures.

  • What are some of the human activities that contribute to the emission of greenhouse gases?

    -Human activities such as burning fossil fuels, deforestation, agriculture, waste management, and industrial processes contribute to the emission of greenhouse gases.

  • What is the potential range of global temperature increase by the year 2100 according to the IPCC?

    -The Intergovernmental Panel on Climate Change (IPCC) predicts that the global surface temperature could increase by 1.1 to 6.4 degrees Celsius between 1990 and 2100.

  • What are some of the consequences of global warming mentioned in the script?

    -Consequences of global warming include increased Earth's temperature, rising sea levels due to the melting of polar ice, extreme weather patterns, and increased acidity of the oceans.

  • How can the use of renewable energy help mitigate the greenhouse effect?

    -Using renewable energy sources like solar, wind, geothermal, and biomass reduces the reliance on fossil fuels, thereby decreasing the emission of greenhouse gases.

  • What are the six principles of environmentally friendly technology mentioned in the script?

    -The six principles are refine (use more environmentally friendly products or processes), reduce (optimize production processes to minimize waste), reuse (repurpose materials or waste in different processes), recycle (repurpose discarded items), recovery (reclaim important materials from waste for further processing), and energy-saving processes in production.

  • What are some of the actions individuals can take to prevent global warming?

    -Individuals can use energy-efficient appliances, opt for electric or hydrogen-powered vehicles, use natural fertilizers and pest control, and adopt environmentally friendly building technologies.

  • How does the script describe the process of the greenhouse effect in terms of energy absorption and radiation?

    -The script describes the process as solar radiation reaching the Earth's surface, being absorbed and reflected back to space, with some being absorbed by the atmosphere. The Earth then emits infrared radiation, which is partly absorbed by greenhouse gases, causing them to heat up and re-emit radiation back to the Earth's surface, trapping heat and leading to warming.

Outlines

00:00

🌡️ Introduction to the Greenhouse Effect

The script begins by welcoming viewers back to the Gia Academy YouTube channel and discussing the discomfort caused by the heat, which is a small effect of the natural phenomenon known as the greenhouse effect. The video aims to educate viewers about the greenhouse effect and global warming. The greenhouse effect is explained as a process of the Earth's surface warming due to the trapping of solar radiation by certain gases in the atmosphere. The script describes how the Earth's atmosphere consists of various gases that absorb, reflect, and re-radiate solar radiation, leading to an increase in temperature. The process is illustrated with a comparison between normal conditions and conditions with a significant amount of greenhouse gases, showing how the presence of these gases traps heat and leads to global warming.

05:01

🌍 Causes and Consequences of Greenhouse Gases

This paragraph delves into the specific greenhouse gases responsible for the greenhouse effect, including carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and others like hydrofluorocarbons (HFCs) and perfluorocarbons (PFCs). It explains the sources of these gases, such as the burning of fossil fuels, agricultural activities, and industrial processes. The script highlights the significant contribution of CO2 and CH4 to the greenhouse effect and the various human activities that increase their concentration in the atmosphere, leading to global warming. The potential consequences of this warming are also discussed, including rising sea levels, changes in climate patterns, and extreme weather events, as projected by the Intergovernmental Panel on Climate Change (IPCC).

10:02

🛻 Mitigating Global Warming Through Sustainable Practices

The script presents various actions that can be taken to combat global warming. It suggests the use of renewable energy sources, such as solar, wind, and geothermal energy, as well as the adoption of energy-efficient technologies and practices like LED lighting and water-saving showers. The importance of reducing the use of fossil fuels and embracing electric or hydrogen-powered vehicles is emphasized to decrease CO2 emissions. Additionally, the script introduces the concept of 'green chemistry' in agriculture and construction, promoting eco-friendly materials and infrastructure. The six principles of green chemistry are briefly mentioned, focusing on refining processes to be more environmentally friendly, reducing waste, reusing materials, recycling, and recovering energy and materials efficiently.

15:03

♻️ Conclusion and Call to Action

The final paragraph wraps up the discussion on the greenhouse effect and global warming, summarizing the key points and urging viewers to understand the urgency of the issue. It provides a brief overview of the potential impacts of global warming, such as rising global temperatures, melting ice caps, rising sea levels, extreme weather events, and ocean acidification. The script concludes with a call to action, encouraging viewers to watch more videos on the channel to stay informed and take steps towards a more sustainable future. It ends with a reminder to subscribe for more educational content.

Mindmap

Keywords

💡Greenhouse Effect

The greenhouse effect refers to the process where certain gases in Earth's atmosphere trap heat from the sun, preventing it from escaping back into space, thereby warming the planet. This phenomenon is likened to the way a greenhouse works to keep plants warm. In the video, it is explained as the warming of Earth's surface due to the trapped radiation by greenhouse gases.

💡Global Warming

Global warming is the increase in Earth's average surface temperature due to rising levels of greenhouse gases. The video discusses how continuous and uncontrolled greenhouse effects lead to global warming, which is causing the planet's temperature to rise significantly over time.

💡Greenhouse Gases

Greenhouse gases are compounds that trap heat in the atmosphere, contributing to the greenhouse effect. Key examples from the video include carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). These gases result from various human activities such as burning fossil fuels, deforestation, and agricultural practices.

💡Carbon Dioxide (CO2)

Carbon dioxide is a major greenhouse gas resulting from burning fossil fuels, respiration by living organisms, and volcanic eruptions. The video identifies CO2 as one of the most significant contributors to the greenhouse effect and global warming.

💡Methane (CH4)

Methane is a potent greenhouse gas emitted during agricultural activities, fossil fuel extraction, and waste decomposition. According to the video, methane plays a critical role in enhancing the greenhouse effect due to its high heat-trapping capacity.

💡Nitrous Oxide (N2O)

Nitrous oxide is a greenhouse gas produced from agricultural and industrial activities, as well as the burning of organic matter and fossil fuels. The video highlights N2O as one of the seven primary greenhouse gases contributing to the greenhouse effect.

💡Climate Change

Climate change refers to significant changes in global temperatures and weather patterns over time. In the video, it is linked to global warming and the greenhouse effect, resulting in extreme weather conditions, rising sea levels, and other environmental impacts.

💡Renewable Energy

Renewable energy comes from sources that are naturally replenishing, such as solar, wind, and hydro power. The video suggests using renewable energy as a solution to reduce greenhouse gas emissions and mitigate global warming.

💡Emission

Emission is the release of substances (usually gases) into the atmosphere. The video discusses how human activities such as industrial processes, transportation, and agriculture contribute to the emission of greenhouse gases, thereby intensifying the greenhouse effect and global warming.

💡Thermal Equilibrium

Thermal equilibrium is the state in which the amount of energy absorbed by Earth equals the energy it radiates back into space. The video explains how the greenhouse effect disrupts this balance, leading to increased temperatures as more heat is trapped within the atmosphere.

💡Fossil Fuels

Fossil fuels, including coal, oil, and natural gas, are energy sources formed from the remains of ancient plants and animals. The video describes how burning fossil fuels for energy is a major source of greenhouse gas emissions, significantly contributing to global warming.

Highlights

Welcome back to Gia Academy's YouTube channel, discussing the discomfort of heat without air conditioning and the phenomenon known as the greenhouse effect.

The greenhouse effect is explained as the warming of the Earth's surface due to the trapping of solar radiation by certain gases in the atmosphere.

A greenhouse is made of transparent glass to maintain warmth inside, which is analogous to how the Earth's atmosphere traps heat.

Solar radiation that reaches the Earth's surface is partly reflected back into space, absorbed by atmospheric gases, or continues to the surface.

The Earth absorbs solar radiation and re-emits infrared radiation, some of which is trapped by greenhouse gases, leading to warming.

The presence of greenhouse gases in the atmosphere traps infrared radiation, causing an increase in temperature.

A physical explanation of the greenhouse effect is provided with an illustration comparing normal conditions to those with significant greenhouse gases.

Mathematically, the greenhouse effect can be expressed with equations showing the increase in Earth's surface temperature.

Seven types of greenhouse gases are listed, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), which play significant roles in global warming.

The sources of these greenhouse gases include activities such as fossil fuel combustion, agriculture, and waste management.

Human activities are identified as the main contributors to the increase of greenhouse gases in the atmosphere, causing air pollution and global warming.

The Intergovernmental Panel on Climate Change (IPCC) predicts a global temperature rise of 1.1 to 6.4 degrees Celsius from 1990 to 2100 due to greenhouse gas emissions.

Global warming leads to critical impacts on Earth, such as rising sea levels, extreme weather changes, and damage to ecosystems.

Efforts to combat global warming include using renewable energy sources, reducing energy consumption, and adopting environmentally friendly technologies.

Six principles of environmentally friendly technology are introduced, including 'refine', 'reduce', 'reuse', 'recycle', 'recovery', and 'renew'.

The video concludes with a call to action for viewers to understand the causes and effects of the greenhouse effect and global warming, and to take steps towards a sustainable future.

Transcripts

play00:06

[Musik]

play00:18

Halo teman-teman selamat datang kembali

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di channel YouTube Gia Academy Semoga

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teman-teman selalu sehat dan terus

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semangat

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saat ini kita mungkin tidak nyaman dalam

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ruangan yang tidak disertai alat

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pendingin seperti kipas angin atau AC di

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luar ruangan kita juga sering merasakan

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udara panas sehingga kita tidak betah

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berlama-lama di luar hal-hal yang kita

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rasakan tadi merupakan dampak kecil yang

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ditimbulkan dari fenomena alam yang

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dikenal dengan efek rumah kaca

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jadi di video ini kita akan belajar

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tentang efek rumah kaca dan pemanasan

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global simak terus videonya ya

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teman-teman Mungkin sering mendengar

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istilah rumah kaca tahukah teman-teman

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Apa yang dimaksud dengan rumah kaca

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rumah kaca merupakan rumah yang terbuat

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dari bahan kaca transparan yang

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digunakan untuk membudidayakan tanaman

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tertentu rumah kaca dirancang untuk

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menahan panas matahari agar tidak mudah

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keluar dari rumah sehingga suhu di dalam

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rumah kaca tersebut relatif tetap hangat

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nah prinsip rumah kaca inilah yang

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terjadi pada bumi kita sehingga dikenal

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dengan istilah efek rumah kaca jadi efek

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rumah kaca dapat diartikan sebagai

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proses pemanasan permukaan bumi yang

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disebabkan oleh terperangkapnya Radiasi

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matahari oleh gas-gas tertentu di

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atmosfer bumi

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proses terjadinya efek rumah kaca yaitu

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pertama seperti yang kita tahu atmosfer

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bumi terdiri dari berbagai macam gas

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sebagian Radiasi matahari yang mengenai

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atmosfer bumi dipantulkan kembali ke

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ruang angkasa sebagian diserap oleh

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gas-gas di atmosfer dan sebagian lainnya

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diteruskan sampai ke permukaan bumi

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selanjutnya Radiasi matahari yang sampai

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ke permukaan bumi dipantulkan kembali ke

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atmosfer dan sebagian diserap oleh bumi

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akibatnya bumi memanas dan memancarkan

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radiasi gelombang inframerah radiasi

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gelombang inframerah yang dipancarkan

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dari permukaan bumi sebagian diserap

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oleh gas-gas rumah kaca akibatnya gas

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rumah kaca memanas dan memancarkan

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kembali radiasi gelombang inframerah ke

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segala arah termasuk ke permukaan bumi

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keberadaan gas rumah kaca di atmosfer

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inilah yang memerangkap radiasi

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inframerah diantara permukaan bumi dan

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atmosfer sehingga terjadi kenaikan suhu

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secara fisis efek rumah kaca dapat

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dijelaskan dengan ilustrasi berikut Pada

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keadaan normal Radiasi matahari yang

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mencapai permukaan bumi diserap dan

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dipantulkan kembali ke ruang angkasa

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radiasi yang diserap menyebabkan suhu

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permukaan bumi meningkat akibatnya bumi

play03:01

memancarkan sejumlah radiasi inframerah

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tahu tenol pangkat 4 karena gas rumah

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kaca relatif tidak ada di atmosfer maka

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Radiasi matahari yang dipantulkan

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kembali dan inframerah yang dipancarkan

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bumi dapat secara bebas kembali ke ruang

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angkasa sehingga suhu permukaan bumi

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relatif rendah adanya gas rumah kaca

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dengan jumlah yang signifikan di

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atmosfer masih memungkinkan Radiasi

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matahari mencapai permukaan bumi namun

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gas tersebut menahan pancaran radiasi

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inframerah tetap berada di atmosfer pada

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ruang diantara gas rumah kaca dan

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permukaan bumi radiasi inframerah

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tersebut meningkatkan suhu gas rumah

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kaca sehingga gas rumah kaca juga

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meradiasikan kembali kalor ke bumi dan

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keluar angkasa akibatnya bumi menyerap

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kalor matahari lebih besar daripada

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sebelumnya dan suhu naik sampai terjadi

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kesetimbangan thermal pada keadaan

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tersebut permukaan bumi dan gas rumah

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kaca mengemisikan energi sebanyak yang

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diserapnya

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secara matematis efek rumah kaca dapat

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kita Tuliskan sebagai berikut es serap

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tambah e Pancer = e diterima tahu tenol

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pangkat 4 tambah tahu tenol pangkat 4 =

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tahu tenol aksen pangkat 4 2 atau tenol

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pangkat 4 = tautan0 aksen pangkat 4

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t02 pangkat seperempat sama dengan t0'

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1,189 T0 = T0 aksen T0 aksen =

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1,189 tenol dari persamaan diatas bisa

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kita lihat suhu permukaan bumi setelah

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adanya efek rumah kaca lebih tinggi

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daripada sebelumnya

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Nah teman-teman tadi kita sudah membahas

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adanya efek rumah kaca disebabkan oleh

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gas rumah kaca yang dapat menahan panas

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matahari di permukaan bumi kira-kira apa

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saja ya yang termasuk gas rumah kaca gas

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rumah kaca terdiri atas 7 jenis yaitu

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karbondioksida CO2 metana ch4 dinitrogen

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oksida n2o belerang hexadlorida sf6 per

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florokarbon PFC

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hidrofluorokarbon hfc dan nitrogen

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triplorida nf3 beberapa gas lain yang

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juga dianggap sebagai gas rumah kaca

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diantaranya karbon monoksida co oksida

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nitrogen no dan klorofloro karbon CFC

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karbondioksida CO2 dan metana ch4

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merupakan gas rumah kaca yang paling

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berperan terhadap terjadinya efek rumah

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kaca

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gas-gas rumah kaca tadi bersumber dari

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kegiatan-kegiatan berikut gas karbon

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monoksida berasal dari pembakaran tidak

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sempurna bahan bakar fosil dan biomassa

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gas karbondioksida dari pembakaran bahan

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bakar fosil dan bahan yang berasal dari

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makhluk hidup bernapasan makhluk hidup

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dan letusan gunung api gas metana

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didominasi oleh kegiatan pertanian dan

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peternakan produksi dan transportasi

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batubara gas alam dan minyak bumi

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pembusukan sampah dan pembakaran

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biomassa

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gas dinitrogen oksida berasal dari

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pembakaran bahan bakar fosil dan

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kegiatan pertanian gas nitrogen dioksida

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dari pemupukan nitrogen pembabatan hutan

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dan pembakaran biomassa gas belerang

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dioksida bersumber dari pembakaran bahan

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bakar fosil emisi bahan bakar dan

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letusan gunung api

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Gasper floro karbon PFC hidroflorokarbon

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hfc dan klorofloro karbon CFC dapat

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berasal dari semprotan aerosol berupa

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parfum atau obat nyamuk dan pendingin

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ruangan gas belerang heksaklorida dari

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pemadam bunga api di saluran transmisi

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listrik tegangan tinggi dan gas nitrogen

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triplorida bersumber dari pembuatan

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semikonduktor dan panel LCD beberapa

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jenis panel surya dan laser kimia

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nah aktivitas aktivitas penghasil gas

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rumah kaca tadi dapat menimbulkan emisi

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gas rumah kaca emisi gas rumah kaca

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dapat diartikan sebagai proses

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pencemaran udara dari kegiatan manusia

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yang memicu terjadinya peningkatan

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gas-gas rumah kaca di atmosfer bumi

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Berikut ini beberapa aktivitas utama

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penyumbang emisi gas rumah kaca

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menyumbang emisi gas rumah kaca terbesar

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berasal dari pemanfaatan energi dan

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transportasi energi yang banyak

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digunakan dalam kegiatan industri ini

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bersumber dari bahan bakar fosil yang

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dapat memicu gas CO2

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n2o dan so2 penyumbang emisi gas rumah

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kaca kedua terbesar berasal dari

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perubahan tata guna lahan dan hutan

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sehingga terjadi ketidakseimbangan

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konsentrasi gas CO2 dan O2 di atmosfer

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bumi aktivitas berikutnya berasal dari

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sektor pertanian yang berperan

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meningkatkan emisi gas no CO2 dan ch4

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emisi gas no dihasilkan saat proses

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penguraian nitrogen dari dalam tanah

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maupun kotoran ternak gas CO2 dihasilkan

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oleh tanah saat bahan-bahan organik

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membusuk dengan bantuan oksigen dan

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emisi gas ch4 dihasilkan oleh proses

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penguraian bahan-bahan organik secara

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Anaerob oleh bakteri tertentu dan

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aktivitas terakhir sebagai penyumbang

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emisi gas rumah kaca adalah produksi gas

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buang industri dari pabrik-pabrik yang

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terus meningkat sehingga memicu

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tingginya produksi gas metana atau ch4

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sampai di sini teman-teman bisa memahami

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penyebab dan dampak dari gas rumah kaca

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ini ya

play08:42

[Musik]

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nah teman-teman efek rumah kaca yang

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berlangsung terus-menerus dan tidak

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terkendali akan menimbulkan pemanasan

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global pemanasan global atau global

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warming merupakan proses peningkatan

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suhu rata-rata atmosfer laut dan daratan

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bumi karena konsentrasi gas rumah kaca

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yang meningkat tajam berdasarkan

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analisis model iklim yang disampaikan

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dalam Konferensi Inter governmental

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panel on climate Chains atau ipcc

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menyimpulkan bahwa suhu permukaan bumi

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secara global akan meningkat 1,1 hingga

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6,4 derajat Celcius dalam rentang tahun

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1990 dan 2100

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adanya kenaikan suhu bumi ini secara

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tidak langsung disebabkan oleh aktivitas

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penyumbang emisi gas rumah kaca yang

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sudah kita bahas sebelumnya

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aktivitas-aktivitas tersebut antara lain

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penggunaan bahan bakar fosil yang masif

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seperti batubara minyak bumi dan gas

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alam eksploitasi sumber daya hutan

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secara berlebihan menyebabkan

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konsentrasi CO2 di atmosfer relatif

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tinggi penggunaan alat yang mengandung

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CFC tak terkontrol seperti kulkas dan AC

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penyebab pemanasan global lainnya adalah

play09:59

polusi gas metana dari aktivitas

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pertanian dan peternakan pengelolaan

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sampah yang tidak benar dapat menyuplai

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gas metana ke atmosfer penggunaan

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kendaraan bermotor yang berlebihan

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sebagai penghasil utama gas karbon

play10:13

monoksida konsumsi sumber daya alam yang

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berlebihan dan aktivitas tambang dan

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industri yang berasal dari logam atau

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metalurgi yang dapat memicu emisi

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beberapa gas rumah kaca

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pemanasan global ini akan menyebabkan

play10:29

berbagai dampak krusial bagi bumi kita

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diantaranya peningkatan suhu bumi

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sehingga suhu lingkungan juga makin

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tinggi jika suhu terus meningkat maka

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akan terjadi pemuaian lempeng bumi yang

play10:40

dapat memicu gempa bumi peningkatan

play10:43

permukaan air laut akibat mencairnya es

play10:46

di kutub-kutub bumi perubahan iklim dan

play10:48

cuaca ekstrem tidak stabil dan sulit

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diprediksi pada dasarnya perubahan iklim

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ini dapat berupa perubahan frekuensi El

play10:56

Nino dan La Nina El Nino yaitu

play10:59

meningkatnya suhu permukaan laut dan La

play11:02

Nina adalah kembali dinginnya suhu

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permukaan laut dan terakhir meningkatnya

play11:06

suhu dan keasaman air laut karena laut

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menyerap sebagian besar panas yang

play11:11

disebabkan oleh gas karbon dioksida suhu

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dan tingkat keasaman air laut yang

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semakin meningkat dapat menyebabkan

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terumbu karang memutih memicu gelombang

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dan badai yang lebih kuat dan mengancam

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kehidupan kerang serta merusak rantai

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makanan biota laut

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setelah mengetahui dampak pemanasan

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global yang dapat mengancam kelangsungan

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makhluk hidup di bumi kira-kira apa saja

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ya upaya yang dapat kita lakukan untuk

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mencegah pemanasan global Nah kita dapat

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melakukan aksi-aksi berikut pertama

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menggunakan energi terbarukan seperti

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energi matahari angin air panas bumi dan

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biomassa kedua menghambat penggunaan

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energi dan air misalnya dengan

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menggunakan lampu listrik LED dan shower

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hemat air berikutnya menggunakan

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kendaraan bertenaga listrik atau

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berbahan bakar hidrogen sehingga dapat

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mengurangi emisi CO2 ke atmosfer

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selanjutnya menggunakan bahan-bahan

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alamiah untuk pemupukan dan pengendalian

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hama dan menerapkan teknologi

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infrastruktur bangunan yang ramah

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lingkungan

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selain upaya-upaya pencegahan Tadi kita

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juga dapat menerapkan enam prinsip

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teknologi ramah lingkungan yaitu refine

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penggunaan barang atau proses yang lebih

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ramah lingkungan reduce pengurangan

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jumlah limbah dengan mengoptimalkan

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proses produksinya rius penggunaan

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kembali bahan-bahan atau limbah pada

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proses yang berbeda recycle mendaur

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ulang barang tak terpakai sehingga bisa

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berguna lagi recovery pengambilan

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kembali sebagian material penting dari

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limbah untuk dapat diproses lagi dan

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terakhir

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merupakan proses menghemat energi dalam

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proses produksi Nah teman-teman itulah

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keseluruhan pembahasan kita mengenai

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efek rumah kaca dan pemanasan global

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sebagai dampak yang ditimbulkannya bisa

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dipahami ya

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agar teman-teman semakin paham Mari kita

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selesaikan contoh soal berikut

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soal pertama terdapat diagram ilustrasi

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efek rumah kaca dalam keadaan normal dan

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dengan keadaan banyak gas rumah kaca

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disertai dengan beberapa Pernyataan pada

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soal ini kita diminta menentukan letak

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energi kalor pada diagram sesuai dengan

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pernyataan 1 2 dan 3 berturut-turut

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pernyataan 1 menyebutkan Pada keadaan

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normal Radiasi matahari yang mencapai

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permukaan bumi diserap dan dipantulkan

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kembali ke ruang angkasa secara bebas

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diagram ini terletak di sebelah kiri

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soal dan energi kalor yang diserap dan

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dipantulkan kembali ke ruang angkasa

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ditunjukkan oleh nomor 2 atau T0 pangkat

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4 pernyataan 2 radiasi inframerah yang

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dilepaskan permukaan bumi diserap oleh

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gas rumah kaca diagram ini terletak di

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sebelah kanan soal yaitu diagram dengan

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keadaan banyak gas rumah kaca dan energi

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kalor yang diserap oleh gas rumah kaca

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ditunjukkan oleh nomor 4 tahu tenor

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aksen pangkat 4 dan pernyataan 3 akibat

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mengalami pemanasan gas rumah kaca

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memancarkan radiasi inframerah ke

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atmosfer bumi ditunjukkan oleh nomor 5

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tahu TG aksen pangkat 4 jadi pilihan

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jawaban yang benar adalah

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e24 dan 5

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soal kedua diberikan beberapa pernyataan

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tentang gas-gas rumah kaca kita diminta

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menentukan pernyataan yang benar

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pernyataan pertama disebutkan 6 gas yang

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merupakan gas rumah kaca pernyataan ini

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salah karena kita tahu gas rumah kaca

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ada 7 jenis yaitu karbon dioksida CO2

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metana ch4 dinitrogen oksida n2o

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belerang Hexa Florida sf6 per floro

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karbon PFC hidrofloro karbon hfc dan

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nitrogen triplorida nf3 pernyataan kedua

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gas yang juga dianggap sebagai gas rumah

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kaca adalah karbon monoksida co oksigen

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nitrogen no dan klorofloro karbon CFC

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pernyataan ini benar karena sesuai

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dengan materi yang sudah kita bahas

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pernyataan ketiga karbon dioksida dan

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karbon monoksida merupakan gas rumah

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kaca yang paling berperan terhadap

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terjadinya efek rumah kaca pernyataan

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ini salah karena kita tahu gas yang

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paling berperan adalah karbon dioksida

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CO2 dan metana ch4 dan pernyataan

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keempat belerang dioksida umumnya

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dihasilkan melalui pembakaran bahan

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bakar fosil emisi bahan bakar dan

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letusan gunung api pernyataan ini benar

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sesuai dengan pembahasan kita sebelumnya

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jadi jawaban yang benar adalah C2 dan 4

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soal terakhir terdapat beberapa

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pernyataan kita diminta menentukan

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dampak terjadinya pemanasan global kita

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tahu pemanasan global mengakibatkan

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beberapa kejadian berikut peningkatan

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suhu bumi peningkatan permukaan air laut

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akibat mencairnya es di kutub-kutub bumi

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perubahan iklim dan cuaca ekstrem berupa

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perubahan frekuensi El Nino dan La Nino

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dan La Nina peningkatan suhu dan

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keasaman air laut karena laut menyerap

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sebagian besar panas yang disebabkan

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oleh gas karbondioksida jadi pernyataan

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nomor 1 2 dan 3 benar Sedangkan

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pernyataan nomor 4 tidak sesuai karena

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yang terjadi adalah keasaman air laut

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meningkat bukan menurun jawaban yang

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benar a

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Oke teman-teman demikianlah pembahasan

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kita tentang efek rumah kaca dan

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pemanasan global jangan lupa tonton

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terus video-video terbaru di channel

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kita ya sampai jumpa di video berikutnya

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Related Tags
Greenhouse EffectClimate ChangeGlobal WarmingAtmospheric GasesTemperature RiseEnvironmental ImpactRenewable EnergyEmission ReductionSustainable PracticesEcological Balance