Energy and Heat Quiz

The kinetic energy of an object increases as its ______ increases.

• gravitational energy

• potential energy

• specific heat

• velocity

Tags

NGSS.MS-PS3-1

The SI unit for energy is the _____.

• calorie

• joule

• meter per second

• kilogram

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Increasing the speed of an object ______ its potential energy.

• does not affect

• increases

• decreases

• changes

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NGSS.MS-PS3-2

You can calculate gravitational potential energy by using the equation _____.

• GPE (J) = 1/2 m (kg) x 1/2 h (m)

• GPE (J) = m (kg) x 9.8 m/s² x h (m)

• GPE (J) = h (m) x 9.8 m/s²

• GPE (J) = 1/2h (m) x w (m)

Tags

NGSS.MS-PS3-2

Which of the following devices does not make use of electrical energy?

• upright piano

• radio

• toaster

• digital camera

A bus engine transfers chemical potential energy into ___ energy so that the bus moves.

• thermal energy

• gravitational potential energy

• electrical energy

• kinetic energy

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NGSS.MS-PS3-5

You can calculate kinetic energy by using the equation _____.

• KE (J) = m (kg) x 9.8 m/s² x h (m)

• KE (J) = w (m) x h (m)

• KE (J) = 1/2 m (kg) x v² (m/s²)

• KE (J) = 9.8 m/s² x 1/2 m (kg)

Tags

NGSS.MS-PS3-1

In a nuclear fusion reaction, mass is transformed into ____.

• matter

• nuclei

• energy

• light

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NGSS.HS-PS1-8

According to the law of conservation of energy, the total amount of energy in the universe ____.

• remains constant

• changes constantly

• increases

• decrease

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

A material that reduces the flow of heat by conduction, convection, and radiation is _____.

• a conductor

• condensation

• an insulator

• a solar collector

Tags

NGSS.MS-PS3-3