Science Unit 1: Forces and Energy

Which is kinetic energy?

• energy that is increasing

• energy that is decreasing

• the energy of a moving object

• energy that is stored in the position of an object

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Another name for stored energy is...

• kinetic energy

• energy of movement

• potential energy

• inelastic energy

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True or False: The law of conservation of energy states that energy cannot be created or destroyed.

• True

• False

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True or False: A force is the ability to do work.

• True

• False

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Which best describes the type of energy that a skateboard has when it travels on a flat sidewalk?

• kinetic energy

• potential energy

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The amount of kinetic energy an object has is related to its mass and ....

• height

• speed

• weight

• shape

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An object in motion will not stop until it is acted upon by

• a balanced force

• an unbalanced force

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If two tigers pull on a rope with equal force, the rope does not move. This is an example of...

• friction

• balanced forces

• acceleration

• unbalanced forces

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True or False: When an elevator is accelerating upward in a building, there are unbalanced forces acting on it.

• True

• False

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The ability to do work is

• force

• energy

• acceleration

• inertia

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