Energy: Light and Sound

What is energy?

Choose two types of energy

• Friendship energy

• Mechanical energy

• Nuclear energy

• Thermocelularsquare energy

Chemical energy is produced by fossil fuels

• true

• false

Electrical energy in a fan is transformed to

• nuclear energy

• thermal energy

• mechanical energy

• chemical energy

In a car, chemical energy is transformed into thermal energy and then to

• nuclear energy

• light energy

• mechanical energy

• sound energy

_______ describes how high or low a sound is.

• Frequency

• Wavelength

• Pitch

____________ occurs when an object takes in a light wave.

• Absorption

• Refraction

• Reflection

Tags

NGSS.MS-PS4-2

_________________ is the bending of light when it passes into a new medium.

• Absorption

• Reflection

• Refraction

Tags

NGSS.MS-PS4-2

A piece of glass that separates white light into its different wavelengths is called a ___________

• crystal

• mineral

• prism

Tags

NGSS.MS-PS4-2

What happens during refraction of light as it passes through a prism?

• Light bends and separates into individual colors.

• Different colors of light combine into white light.

• All the colors of light bend in the same way.

• All of the light bounces off the prism.

Tags

NGSS.MS-PS4-2