Energy and Motion

_________ is distance over a certain amount of time.

• Speed

• Acceleration

• Velocity

• Energy

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NGSS.MS-PS3-1

When two objects collide, some of the kinetic energy is transformed into sound energy and heat.

• Yes, yes it is!

• No, only sound energy is transformed.

• No, only heat is transformed.

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If the amount of kinetic energy of an object increases, what will happen to the object?

• It will move slower.

• It will move faster.

• It will stay the same.

• It will sing and dance.

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When an elevator is moving up in a building, what type of force is acting on it?

• velocity

• balanced

• unbalanced

• inertia

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Which is NOT an example of potential energy?

• a rock on the top of a hill

• a roller coaster at the start

• a roller coaster reaching its fastest speed

• a ball in a bag

Tags

NGSS.MS-PS3-2

More friction equals more heat during a collision.

• Yes.

• No.

• Only sometimes.

• Not really.

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NGSS.MS-PS3-3

Moving objects will not stop unless acted upon by an unbalanced force.

• Correct.

• Not correct.

• It depends on the speed.

• It depends on the velocity

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A roller coaster moving down an incline due to the force of gravity is an example of__________.

• contact force

• noncontact force

• work

• inertia

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The tendency for a boulder on a field to stay at rest is called ____________.

• force

• gravity

• velocity

• inertia

An example of _______________ would be an object moving 30 miles per hour heading south.

• inertia

• velocity

• speed

• gravity