Exploring Forms of Energy

What is energy required for in machines and living beings?

• To create light only

• For movement and growth

• To produce sound only

• None of the above

What type of energy do roller coaster cars have at the top of a track?

• Kinetic energy

• Mechanical energy

• Potential energy

• Chemical energy

How does potential energy change as a roller coaster descends?

• It increases

• It converts to kinetic energy

• It remains constant

• It disappears

What is kinetic energy?

• Energy due to position

• Energy of motion

• Energy stored in chemical bonds

• Energy from the sun

What is light energy capable of doing?

• Staying still

• Traveling through space

• Making sound

• Creating heat only

What is a common source of chemical energy?

• Sunlight

• Electricity

• Water

• Gasoline

What is electrical energy used for?

• Producing sound only

• Heating water only

• Making food

• Powering devices

How is electricity most commonly generated in cities?

• Using kinetic energy

• Burning fossil fuels

• Using sunlight

• Through chemical reactions

What determines the direction of heat movement?

• From a warmer to a cooler object

• From a cooler to a warmer object

• Between objects of the same temperature

• Heat does not move

A trumpet uses _____ energy to make music.

• Sound

• Light

• Thermal

• Mechanical