Physics Energy Conservation

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

• The PE and KE increase and decrease together

• The PE decreases while the KE increases 

• Impossible to know without knowing the mass  

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NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

At which point is potential energy greatest?

• W

• X

• Y

• Z

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NGSS.MS-PS3-2

What is the energy of position or shape that depends on weight and height, also called stored energy?

• Energy

• Kinetic energy

• Potential energy

• Sound energy

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NGSS.MS-PS3-2

What states that energy can never be created or destroyed?

• law of conservation of momentum

• law of conservation of energy

• law of conservation of matter

• law of conservation of water

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NGSS.MS-PS3-5

As energy transformations occur within a system, the total energy of the system ___.

• increases

• decreases

• is transferred out of the system

• remains constant

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NGSS.MS-PS3-5

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A

• B

• C

• D

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A

• B

• C

• D

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NGSS.MS-PS3-2

Which energy transformation below matches?
A book falling?

• chemical to sound and heat

• kinetic to sound and heat

• electrical to sound and heat

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which energy transformation below matches?
Water moving over a dam to move a generator?

• kinetic to chemical

• kinetic to electrical

• solar to electrical

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which energy transformation below matches?
An electrical circuit?

• chemical to heat, sound, light, mechanical

• solar to heat, sound, light, mechanical

• electrical to heat, sound, light, mechanical