Unit 5 Conservation of Energy

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

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

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

The Law of Conservation of Energy states:

• Energy can be created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy cannot be created, destroyed or transformed

• Energy cannot be created but can be destroyed due to friction

Tags

NGSS.MS-PS3-5

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved

• The total amount of energy is less after a reaction

• The total amount of energy is more after a reaction

• The total amount of energy depends on how the reaction affects it

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Potential or kinetic?

You are running your mile.

• potential

• kinetic

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

• Mechanical Energy

• Kinetic energy

• Potential energy

• Electrical energy

Tags

NGSS.MS-PS3-2

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-PS3-4

NGSS.MS-PS3-5

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.MS-PS3-1

Almost all of the energy that humans use ultimately comes from

• oil

• gas

• the sun

• plants, either living or fossilized

Tags

NGSS.MS-LS1-6