Energy

In science, energy means the

A. ability to work
B. ability to move fast
C. position of an object

A ball is held at the top of an incline.The energy it has at this point is called.

A. kinetic energy
B. gravity
C. potential

When you kick a soccer ball,you give it.

A. friction
B. kinetic energy
C. potential energy

Which is an example of mechanical energy?

A. a radio that you plug into a wall socket
B. a flashlight that uses battery
C. a bicycle that moves when you pedal it

A toy that uses battery is powered by

A. electrical energy
B. chemical energy
C. mechanical energy

True or False:
Every time you work,you are using energy
True False

True or False:
Kinetic energy is energy that an object has because of its postion.
True False

True or False:
When you are on a slide,you have the greatest kinetic energy when you are at the top.
True False

True or False:
A wind-up uses mechanical energy
True False

ESSAY:
Arrange the following from lightest to heaviest: a train, a bicycle, a truck, a motorcycle.