Ujian Praktek Fisika | SMA | Suhu dan Kalor

Boazz Official
23 Feb 202102:54

Summary

TLDRIn this experiment on temperature and heat, the group demonstrates the principles of heat transfer. Starting with lighting a candle, they place it on a plate and observe a plastic cup melting when placed above the flame. However, when a plastic cup containing water is placed above the flame, it does not melt, as the water absorbs the heat. The experiment further explores the effect of covering the candle with a glass, causing the flame to extinguish while the water inside the glass rises in temperature, illustrating how heat energy behaves in different conditions.

Takeaways

  • πŸ˜€ Temperature is the degree of heat or coldness of an object.
  • πŸ˜€ Heat or calor is a form of energy that moves from higher temperature objects to lower ones.
  • πŸ˜€ The first experiment involves lighting a candle and placing it on a plate.
  • πŸ˜€ A plastic cup placed directly over the candle flame will melt and create a hole in the cup.
  • πŸ˜€ A plastic cup containing water placed over the candle flame does not melt.
  • πŸ˜€ Water absorbs the heat, preventing the plastic cup from melting.
  • πŸ˜€ Water can be poured into a container or plate for further experiments.
  • πŸ˜€ When a glass jar is placed over the candle, the flame will extinguish.
  • πŸ˜€ As the flame goes out, the water inside the glass jar will begin to rise.
  • πŸ˜€ This demonstrates the absorption of heat by water and its effect on temperature change.

Q & A

  • What is the definition of temperature mentioned in the script?

    -Temperature is described as the degree of heat or coldness of an object.

  • What is calor or heat in the context of the experiment?

    -Calor or heat is a form of energy that can transfer from a hotter object to a cooler one.

  • What is the first step in the experiment?

    -The first step is to light a candle.

  • What happens when a plastic cup is placed directly over the candle flame?

    -The plastic cup becomes perforated and melts.

  • Why does the plastic cup with water inside not burn or melt when placed over the candle flame?

    -The water inside the plastic cup absorbs the heat, preventing the plastic from melting.

  • What happens when you pour water into a dish or container as mentioned in the script?

    -The water is poured into a dish, but the exact effects are not detailed in the provided script section.

  • What is the role of the glass container in the experiment?

    -The glass container is used to cover the candle, and when it is placed over the flame, the fire goes out and the water in the glass rises.

  • What happens to the fire when the glass is placed over the candle?

    -The fire goes out when the glass is placed over the candle.

  • Why does the water in the glass rise when the candle flame is covered?

    -The water rises due to changes in pressure and temperature when the flame is extinguished by the glass cover.

  • What is the significance of the experiment with heat transfer between objects?

    -The experiment demonstrates how heat transfers from one object to another, and how materials like water can absorb heat to prevent damage to other materials like plastic.

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Transcripts

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Related Tags
Temperature ExperimentHeat TransferScience ExperimentPhysics ConceptsCalorimetryEducational ActivityHands-on LearningScience FunPhysics EducationInteractive Experiment