Forms of Energy

Define energy.

• Energy is the capacity or ability to do work.

• Energy is power.

• Energy is something that can be created.

• Energy is a quantity that can be destroyed.

Which object requires only mechanical energy to perform its main function?

• A
• B
• C
• D

A student uses a set of headphones to listen to music. Which of these objects uses the same source of energy as the headphones?

• A flute using wind energy
• A piano using mechanical energy
• A keyboard using electrical energy
• A teapot using thermal energy

When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds' echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using...

• Thermal energy and light energy
• Sound energy and thermal energy
• Mechanical energy and sound energy
• Light energy and mechanical energy

Sound energy is present when...

• an object vibrates
• energy is created
• energy is destroyed

____________ energy is from the sun or also called solar energy.

• heat
• chemical
• radiant
• mechanical

Which type of energy does the battery produce?

• sound
• light
• mechanical
• electrical

A student connected some wire to a battery and a small bulb to make a simple circuit. Energy from the battery is changed into electricity. What type of energy is stored in the battery?

• chemical
• nuclear
• heat
• light

What most likely caused the water on the table to evaporate?

• thermal energy

• mechanical energy

• gravity

• radiant energy

Energy that is stored in food.

• chemical
• solar
• kinetic
• nuclear