The Oxygen Cycle Explained
Summary
TLDRThe video from moomoomath and science explores the oxygen cycle, highlighting its critical role in maintaining Earth's oxygen levels. It explains how oxygen moves between biotic (living) and abiotic (non-living) factors, with processes categorized as sources or sinks. The largest oxygen reservoir is the lithosphere, followed by the atmosphere and hydrosphere. Photosynthesis by plants and marine life is a primary source, while respiration, decomposition, oxidation, and combustion are significant sinks. The video emphasizes the balance of oxygen movement from producers to consumers, ensuring atmospheric equilibrium.
Takeaways
- đ The oxygen cycle is essential for maintaining the level of oxygen in Earth's atmosphere.
- đ± Biotic factors, such as plants and phytoplankton, and abiotic factors, like the lithosphere and atmosphere, are involved in the oxygen cycle.
- đ The lithosphere, which includes silicate and oxide minerals, is the largest reservoir of Earth's oxygen.
- đŹïž The atmosphere contains approximately 21% oxygen, while the hydrosphere is 33% oxygen by volume.
- đż Photosynthesis by plants and marine organisms is a primary source of oxygen in the atmosphere.
- đŸ Cellular respiration by animals and certain bacteria consumes oxygen and produces carbon dioxide.
- âïž Sunlight can produce oxygen through the reaction with water vapor in the atmosphere.
- đŠ Decomposition and oxidation processes, facilitated by microbes, use oxygen and release carbon dioxide.
- đ„ Combustion, such as burning coal, wood, or fossil fuels, requires oxygen and contributes to its consumption.
- â»ïž Oxygen moves through the Earth's systems, from producers to consumers, to maintain a balanced level.
Q & A
What is the oxygen cycle?
-The oxygen cycle refers to the movement of oxygen between biotic (living factors) and abiotic (non-living factors), maintaining the level of oxygen in our atmosphere.
What are the two main processes within the oxygen cycle?
-The two main processes within the oxygen cycle are sources, which involve oxygen production, and sinks, which involve oxygen consumption.
Where is the largest reservoir of Earth's oxygen found?
-The largest reservoir of Earth's oxygen is found in the lithosphere, which contains silicate and oxide minerals of the crust and metals.
What percentage of oxygen is present in the atmosphere?
-The atmosphere is made up of roughly 21% oxygen.
How does the hydrosphere contribute to the oxygen cycle?
-The hydrosphere, which is the water on Earth, is 33 percent oxygen by volume and contributes to the oxygen cycle.
What role do plants play in the oxygen cycle?
-Plants, along with phytoplankton and other organisms that carry out photosynthesis, release oxygen into the atmosphere.
Which organisms are responsible for most of the oxygen production in the atmosphere?
-Marine plants are responsible for producing most of the oxygen in our atmosphere.
How do animals contribute to the oxygen cycle?
-Animals, along with some bacteria, protists, and other organisms that carry out cellular respiration, use oxygen to create ATP and release CO2.
What is the role of sunlight in the oxygen cycle?
-Sunlight produces some oxygen when it reacts with water vapor in the atmosphere.
How does decomposition contribute to the oxygen cycle?
-Decomposition, which is the breakdown of once-living organisms, uses oxygen and releases carbon dioxide.
What are some human activities that involve the consumption of oxygen?
-Human activities such as rusting or oxidation of metals, and combustion or burning of objects like coal, wood, or fossil fuels, involve the consumption of oxygen.
Outlines
đż The Oxygen Cycle
This paragraph introduces the oxygen cycle, a critical process that maintains Earth's oxygen levels. It explains that oxygen moves between biotic (living) and abiotic (non-living) factors. The largest reservoir of Earth's oxygen is in the lithosphere, with significant amounts also found in the atmosphere and hydrosphere. The cycle is balanced through processes that either produce or consume oxygen. Photosynthesis by plants and phytoplankton is highlighted as a major source of atmospheric oxygen, while cellular respiration, decomposition, and oxidation are identified as sinks that consume oxygen. The paragraph concludes by emphasizing the continuous movement of oxygen among different regions on Earth to maintain balance.
Mindmap
Keywords
đĄOxygen Cycle
đĄBiotic Factors
đĄAbiotic Factors
đĄAtmosphere
đĄHydrosphere
đĄBiosphere
đĄPhotosynthesis
đĄCellular Respiration
đĄDecomposition
đĄCombustion
đĄRusting or Oxidation
Highlights
The oxygen cycle is essential for maintaining the level of oxygen in Earth's atmosphere.
The cycle involves the movement of oxygen between biotic (living) and abiotic (non-living) factors.
The largest reservoir of Earth's oxygen is found in the lithosphere, which includes silicate and oxide minerals.
The atmosphere contains roughly 21% oxygen.
The hydrosphere, Earth's water, is 33% oxygen by volume.
The biosphere, the sum of all ecosystems, contains 22% oxygen, primarily in organic molecules.
Plants, phytoplankton, and other photosynthetic organisms release oxygen into the atmosphere.
Marine plants are responsible for producing most of the oxygen in our atmosphere.
Animals, some bacteria, and protists use oxygen for cellular respiration, releasing CO2.
Sunlight can produce oxygen when it reacts with water vapor in the atmosphere.
Decomposition, the breakdown of once-living organisms, uses oxygen and releases carbon dioxide.
Microbes use oxygen to break down organisms during decomposition.
Rusting or oxidation of metals involves oxygen to create rust.
Combustion, such as burning coal, wood, or fossil fuels, requires oxygen.
The oxygen cycle involves a continuous movement from producers to consumers to maintain balance.
Moomoomath and Science uploads a new educational video every day.
Transcripts
ever wondered why we don't run out of
oxygen on earth
welcome to moomoomath and science in the
oxygen cycle
the oxygen cycle involves the movement
of oxygen between biotic which are
living factors
and abiotic which are non-living factors
the oxygen cycle maintains the level of
oxygen in our atmosphere
processes within this cycle are
considered either a
source oxygen production or a sink
which involves oxygen consumption but
first where do we find
oxygen on earth the largest reservoir
of the earth's oxygen is found in the
lithosphere
silicate and oxide minerals of the crust
and metal make up large portions of the
lithosphere
and contain oxygen the atmosphere is
made up of roughly 21
oxygen the hydrosphere which is the
water on earth
is 33 percent oxygen by volume
the biosphere which is the sum of all
ecosystems is 22
oxygen and is found mainly in organic
molecules
oxygen moves from the atmosphere to the
lithosphere
and the biosphere let's see how oxygen
is cycled among these different
regions on earth plants along with
phytoplankton
and other organisms that carry out
photosynthesis
release oxygen into the atmosphere in
fact marine plants produce most of the
oxygen in our atmosphere
animals some bacteria and protists and
other organisms that carry out
cellular respiration use oxygen
in order to create atp and they release
co2
sunlight produces some oxygen when
sunlight reacts with water vapor in the
atmosphere
decomposition which is the breakdown of
once living organisms uses oxygen
and releases carbon dioxide microbes
use oxygen in order to break down the
organisms
rusting or oxidation involves oxygen
in order to create the rust on many
metals
combustion or burning of objects like
coal wood or fossil fuels
also require oxygen and use some of it
up
the oxygen continues to move around the
earth from producers
to consumers to keep the level in
balance
thanks for watching and moomoomath
uploads a new math
and science video every day please
subscribe and share
Voir Plus de Vidéos Connexes
Photosynthesis and Cellular Respiration - Energy Cycle of Life
Photosynthesis and Cellular Respiration | Week 8 | SCIENCE 9 - QUARTER 1 (MELC 5)
Relationship between Photosynthesis and Cellular Respiration
Why do we need Oxygen?
GCSE Chemistry Revision "The Atmosphere"
What If Earth Lost All Its Oxygen For A Day? Hindi
5.0 / 5 (0 votes)