Fourth Grade Quiz - Energy

Examples of light energy:

• Sunlight, radiation, light bulb and flashlight.

• Sunlight, a cell phone screen.

• Sunlight, evaporation.

How is sound energy produced?

• Through the voice of animals.

• Through vibrations.

What is the energy transformation happening when you turn the lights on?

• Thermal to light.

• Electrical to light.

• Sound to light.

What is the energy transformation when someone drives a car?

• Nuclear to thermal.

• Electrical to Potential.

• Chemical to Kinetic.

• Chemical to Thermal.

What is the energy transformation of a person eating food?

• Mechanical to Chemical.

• Chemical to Mechanical.

• Chemical to light.

What does the electromagnetic spectrum show?

• All the different types of energy waves, like radio waves, infrared, ultraviolet and gamma rays.

• All the different types of electricity.

What is conduction?

• Transfer of heat through direct contact.

• Transfer of heat through a liquid or gas.

What is convection?

• Transfer of heat through direct contact.

• Transfer of heat through a liquid or gas.

Transfer of heat without direct contact and through electromagnetic waves is:

• Conduction.

• Convection.

• Radiation.

A material that allows heat to move through it easily, like metal.

• Conductor.

• Insulator.