The video explores the concepts of temperature and thermal energy, using a pool and a cup of coffee as examples. It explains the particle theory of matter, highlighting that temperature is the average kinetic energy of particles, while thermal energy is the total kinetic energy. The video demonstrates how to calculate thermal energy and concludes by comparing the thermal energy of a pool and a coffee cup, emphasizing the importance of understanding these concepts.

What initial question does the narrator pose about thermal energy?

• What is the particle theory of matter?

• Which has more thermal energy: a hot cup of coffee or a pool?

• How does temperature affect thermal energy?

• How do we measure temperature?

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According to the particle theory of matter, what are all substances made of?

• Atoms

• Molecules

• Energy

• Tiny particles

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What happens to particles as they move faster?

• They stop moving

• They lose energy

• They gain more kinetic energy

• They become larger

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

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How is temperature defined in simple terms?

• The number of particles in a sample

• The speed of the fastest particle

• The total energy of all particles

• The average kinetic energy of particles

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NGSS.MS-PS1-4

What is the arithmetic mean in the context of temperature?

• The number of particles in a sample

• The total kinetic energy of all particles

• The highest kinetic energy of a particle

• The average kinetic energy of particles

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What is thermal energy?

• The average kinetic energy of particles

• The total kinetic energy of all particles

• The number of particles in a sample

• The temperature of a substance

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Why does the pool have more thermal energy than the coffee cup?

• Because it has a higher temperature

• Because it has more particles

• Because it has faster-moving particles

• Because it is larger in size

How many coffee cups are needed to fill one gallon of water?

• 7

• 11

• 75

• 42

What is the total number of particles in the pool?

• 3,900

• 300,300

• 42,900

• 22,792,770

What is the grand total of thermal energy in the pool?

• 42,900

• 22,792,770

• 300,300

• 3,900

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NGSS.MS-PS3-4