Science Unit 1: Forces and Energy

Which is kinetic energy?

• energy that is increasing

• energy that is decreasing

• the energy an object has because it is moving 

• energy that is stored in the position of an object

Another name for stored energy is...

• kinetic energy

• energy of movement

• potential energy

• inelastic energy

energy that is stored inside of an object to be used later is called

• Kinetic Energy

• Potential Energy

• Velocity

• Inertia

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

• True

• False

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

• True

• False

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

• kinetic energy

• potential energy

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

• height

• speed

• weight

• shape

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

• a balanced force

• an unbalanced force

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

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

• True

• False