Thermal Energy is NOT Temperature

Which has a higher TOTAL kinetic energy?

• Bowl of Soup

• Mug of Soup

True or False: Thermal energy and average kinetic energy are the same thing.

Reread Paragraph 3 of Page #1 if needed.

• True

• False

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The molecules in the bowl of soup and mug of soup have ____________________ kinetic energy.

• same

• more

• less

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According to paragraph 2, is it possible for different volumes (a bowl vs. a cup) of the same substance to be at different temperatures even though they are heated for the same amount of time? Explain your answer.

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Total kinetic energy can also be called ________.

• Heat

• Temperature

• Thermal Energy

• Potential Energy

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Ice cubes are placed into the hot soup. What is the direction of the flow of thermal energy?

• Ice Cube-->Soup

• Soup-->Ice Cube

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Select All that Apply:

Your soup is hotter and the air is cooler. Energy transfers from warmer to cooler things until _________.

• Equilibrium

• The soup and air reach the same temperature

• The air becomes warmer than the soup.

• The soup becomes warmer than the air.

• The air becomes cooler than the soup.

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The bowl of soup on the left is the same temperature as the mug on the right because both have molecules that are ____________.

Pay attention to the tails (lines) after the molecules that represent speed.

• moving at different speeds

• moving at the same speed

• the bowl has more molecules

• the mug has less moleccules

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The bowl and mug have molecules that are moving at the same speed, so they have the _____ AVERAGE kinetic energy.

The bowl on the let is made up of more molecules, it has a _____ TOTAL kinetic energy.

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