5.8 Review

Front

What happens in a circuit with a battery, two light bulbs, and a switch when the switch is closed?

Back

Light bulb 1 will be on, but light bulb 2 will be off.

Front

What energy transformation occurs in a battery powered flashlight?

Back

Chemical energy is transformed into electrical energy, which is then transformed into light energy.

Front

What is the explanation for a smaller circle of light appearing on the wall when shining a flashlight through a small hole?

Back

The light moves through the small hole in the paper and hits the wall.

Front

What is the source of energy that drives the transformation from electrical to light and sound energy in a solar panel?

Back

Solar energy.

Front

What term describes the bending of light as it passes through different densities of materials?

Back

Refracted.

Front

What is the definition of electrical energy?

Back

Energy caused by the movement of electrons.

Front

What is the definition of light energy?

Back

Energy that is visible to the human eye and is responsible for the sense of sight.

Front

What is the definition of solar energy?

Back

Energy from the sun that can be converted into other forms of energy.

Front

What is the definition of chemical energy?

Back

Energy stored in the bonds of chemical compounds, like atoms and molecules.

Front

What is the definition of mechanical energy?

Back

The sum of potential energy and kinetic energy in an object.