Brainpop-Forms of Energy

Front

What is the primary source of all light energy on earth?

Back

The Earth's sun.

Front

What is the difference between kinetic energy and potential energy?

Back

Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.

Front

What do wind and moving water have in common?

Back

They both have mechanical energy.

Front

Which of the following objects has the most potential energy?

Back

A ball sitting on a mountaintop.

Front

What would happen if you didn't have chemical energy in your body?

Back

You would NOT be able to run, walk or move.

Front

Define kinetic energy.

Back

Kinetic energy is the energy of an object in motion.

Front

Define potential energy.

Back

Potential energy is the stored energy of an object due to its position or state.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

Give an example of kinetic energy.

Back

A moving car or a thrown ball.

Front

Give an example of potential energy.

Back

A book on a shelf or a stretched rubber band.