Ch 10 Review Energy

The energy that is stored or energy due to position (gravitational) is

• potential

• kinetic

• infinite

• mechanical

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NGSS.MS-PS3-2

Vibrating molecules, moving vehicles, falling objects, all have

• kinetic energy

• potential

• radiant

• chemical

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Calculate the kinetic energy using KE = 1/2 mv² for a 3.0 kg block of ice falling from the sky at 200.0 m/s.0

• 20,000 J

• 300 J

• 60,000 J

• 45,000 J

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According to the Law of Conservation of Energy, the energy in the universe in which we live is

• constant

• changing

• unknown

• going to be totally depleted

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NGSS.HS-PS3-4

As a snowball rolls down a hill, it loses ____ energy and gains ____ energy.

• potential, kinetic

• kinetic, potential

• kinetic, kinetic

• potential, potential

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NGSS.MS-PS3-2

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When two objects like atoms collide in a chemical reaction, some of the energy is "lost" as ___ due to friction.

• heat

• matter

• nuclear energy

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NGSS.HS-PS3-4

Some functions are independent of pathway; for others, pathway matters. Which is independent of pathway?

• energy change

• work

• heat

• miles driven

Temperature is a measure of the

• average internal kinetic energy of an object

• average speed of the object

• amount of heat something has

• how cold an object is in comparison to the surroundings

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NGSS.HS-PS3-2

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___________ is a measure of the flow of energy due to temperature differences.

• Heat

• Energy

• Mass

• Potential energy

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NGSS.HS-PS3-4

Two identical volumes of water in two separate beakers have the following temperatures. 100 ⁰C and 50⁰C. If the two beakers of water are combined, what will be the final temperature?

• 75⁰C

• 25⁰C

• 125⁰C

• 50⁰C

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NGSS.HS-PS3-4