Science Court Heat

A measure of the average kinetic energy of the individual particles in an object is called:

• thermal energy
• conduction
• convection
• temperature

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When you touch something that feels cold, 

• heat from your hand moves into the cold substance.
• coldness moves from the cold substance into your hand.
• it melts.
• it freezes.

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Energy that moves particles of matter is 

• temperature
• thermal energy
• heat
• friction

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Energy is measured in units called.....

• pounds
• meters
• horsepower
• joules

The more particles an object has at a given temperature,

• the higher the temperature
• the more thermal energy it has
• the more degrees it has 
• the more Kelvins it has

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The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

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Why does a diver wear a wet suit?

• To keep in thermal energy.
• To keep from getting cuts.
• To keep from sinking.
• To keep out cold.

The temperature of a substance increases as___.

• the substance expands
• the average kinetic energy of its particles increases
• the substance's volume increases
• the substance's mass increases

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If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero

• they both have an equal temperature

• one runs out of energy

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When a popsicle melts, the particles in the popsicle _____.

• gain thermal energy and speed up

• there are no particles in popsicles

• lose thermal energy and slow down

• stay the same

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