What form of energy is caused by vibrations?

• Chemical

• Electrical

• Light

• Sound

"Johnny eats some spaghetti for lunch. Later, he runs in a race and wins." Which statement best describes the energy Johnny used?

• Johnny’s body changed the chemical energy stored in food to mechanical energy so he could run.

• Johnny’s body changed the mechanical energy stored in food to chemical energy so he could run.

• Johnny’s body changed the electrical energy in food to mechanical energy so he could run.

• Johnny’s body was not able to change one form of energy into another.

Which forms of energy are made or changed when a computer is in use? Select all that apply.

• Heat

• Light

• Sound

• Chemical

True or False: Electrical energy can be changed into heat, light, and sound energy.

• True

• False

What is energy of motion? Give one example.