Light Energy Quick Check Assessment 3

Light waves travel in straight lines until ________________.

• they encounter an obstacle or medium that causes them to change direction.

• they reach the end of the universe.

• they run out of energy.

• they become sound waves.

Tags

NGSS.MS-PS4-2

When does reflection occur?

• Reflection occurs when light bounces off a surface.

• Reflection occurs when light is absorbed by a surface.

• Reflection occurs when light passes through a surface.

• Reflection occurs when light is refracted by a surface.

Tags

NGSS.MS-PS4-2

Refraction occurs when the path that light is traveling in is ________________.

• Refraction occurs when the path that light is traveling in is changed.

• Refraction occurs when the path that light is traveling in is straight.

• Refraction occurs when the path that light is traveling in is circular.

• Refraction occurs when the path that light is traveling in is constant.

Tags

NGSS.MS-PS4-2

Concave mirrors and lenses bend which direction?

• Concave mirrors and lenses bend inward.

• Concave mirrors and lenses bend outward.

• Concave mirrors and lenses do not bend.

• Concave mirrors and lenses bend in all directions.

Convex mirrors and lenses bend which direction? ________________.

• Convex mirrors and lenses bend light rays outward.

• Convex mirrors and lenses bend light rays inward.

• Convex mirrors and lenses do not bend light rays.

• Convex mirrors and lenses bend light rays in a zigzag pattern.

What is a lens?

• A device that focuses or disperses light

• A type of camera

• A musical instrument

• A type of vehicle

Tags

NGSS.MS-PS4-2

What is one way people use mirrors? ________________.

• To see their reflection

• To cook food

• To listen to music

• To read books

How long does it take light from the sun to reach the earth?

• Approximately 8 minutes and 20 seconds

• Approximately 5 minutes

• Approximately 10 minutes

• Approximately 15 minutes

The speed at which light travels is called ________________.

• speed of light

• speed of sound

• speed of electricity

• speed of gravity

Tags

NGSS.MS-PS4-1

People and plants would not be able to survive without ________________.

• water

• sunlight

• soil

• air

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3