Light and Waves Vocabulary and Notes

Question 1

Reflection

Answer 1

When light bounces off a surface. Think of a mirror.

Question 2

Beam

Answer 2

A collection of many ray of light traveling together.

Question 3

Transparent

Answer 3

When a material allows light to pass through easily. You can see clearly through it.

Question 4

Light

Answer 4

A type of energy that allows us to see. Light travels in straight lines.

Question 5

Absorption

Answer 5

When light is soaked up by a material and doesn’t pass through.

Question 6

Refraction

Answer 6

When light bends as it passes through one material to another.

Question 7

Translucent

Answer 7

When a material allows some light to pass through easily, but you can’t see through it clearly. Think of frosted glass

Question 8

Opaque

Answer 8

When a material blocks light completely. You can’t see through it.

Question 9

Emit

Answer 9

To send out or give off something, like light, heat, or sound.

Question 10

Ray

Answer 10

An imaginary line that shows the direction that light travels