Energy Jumpstart 1

What is mechanical energy?

• Energy stored in the movement of objects

• Energy stored in the bonds between atoms

• Energy associated with the flow of electric charge

• Energy that comes from heat

Which of the following is an example of thermal energy?

• A windmill turning in the wind

• A hot cup of coffee

• A battery powering a flashlight

• A ball rolling down a hill

Electrical energy can be transformed into which type of energy in a toaster?

• Mechanical energy

• Chemical energy

• Thermal energy

• Nuclear energy

Which form of energy is primarily used by muscles to cause movement?

• Thermal energy

• Electrical energy

• Mechanical energy

• Chemical energy

What happens to the electrical energy that is not converted into useful energy in an electrical device?

• It disappears

• It is stored for later use

• It is converted into mechanical energy

• It is often converted into thermal energy

How is potential energy in a bow transformed when it shoots an arrow?

• Into thermal energy

• Into chemical energy

• Into mechanical energy

• Into electrical energy

What type of energy is stored in food?

• Thermal energy

• Chemical energy

• Mechanical energy

• Electrical energy

Which type of energy transformation occurs in a hydroelectric power plant?

• Chemical to electrical energy

• Mechanical to thermal energy

• Thermal to mechanical energy

• Mechanical to electrical energy