Introduction to Thermal Energy Generation

As thermal energy of the molecules in a substance increases, the temperature __________.

• increases

• decreases

• stays the same

• Atoms don't have kinetic energy

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NGSS.MS-PS1-4

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Atoms have thermal energy because they are always ______.

• exploding

• motionless

• reacting

• vibrating

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NGSS.MS-PS1-4

Temperature measures the ______ thermal energy of the atoms in a substance.

• average

• maximum

• minimum

• total

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NGSS.MS-PS1-4

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A substance might freeze when thermal energy is ______ the substance.

• added to

• removed from

• created in

• destroyed in

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NGSS.MS-PS1-4

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The movement of thermal energy from a warmer object to a cooler object is called _____.

• heat

• temperature

• motion

• momentum

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NGSS.MS-PS3-3

All matter has thermal energy because____.

• atoms are always moving

• atoms are still

• of endothermic reactions

• of exothermic reactions

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following has more thermal energy?

• a cup of room temperature water

• a cup of cold water

• a cup of hot water

• a cup of ice

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NGSS.MS-PS1-4

Lots of energy is used when new bonds form. That heat energy speeds up the motion of the particles and the temperature of the reaction_____.

• Increases

• Decreases

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NGSS.MS-PS1-4

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What type of reaction is this?

• Endothermic

• Exothermic

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NGSS.MS-PS1-4

What type of reaction is this?

• Endothermic

• Exothermic

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NGSS.MS-PS1-4

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NGSS.MS-PS3-4