Force, motion, eneregy

Moving objects have what kind of energy?

• kinetic

• electrical

• potential

• frictional

A train moving down a track is an example of -

• friction

• kinetic energy

• potential energy

• fusion

Identify examples of kinetic energy.

• A dog sitting on the porch

• A boy riding a dirt bike

• A girl doing gymnastics

• A woman sewing a baby blanket

A toy car is released from the top of a ramp would be what kind of change in energy?

• mechanical to electrical

• potential to kinetic

• electric to kinetic

• potential to chemical

Which material would create the most friction for a toy sled?

• aluminum foil

• sandpaper

• wax paper

• plastic wrap

A soccer ball is kicked across the grass. It stops by itself because of -

• magnetism

• balance

• friction

• attraction

On which surface would a car stop the fastest?

• a paved road

• a wet street

• an icy road

• a gravel road

Which surface would create the most friction when rolling a toy truck?

• wood

• glass

• carpet

• tile

Which direction will the ball travel after it hits the wall?

• 
• 
• 
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Heavier objects require __________ force to move.

• more

• less

• no

• very little