PCS Light energy

What is absorption?

• The bending of light when it moves through one kind of matter to another

• The bouncing of light off an object

• The taking in of light by a material

Tags

NGSS.MS-PS4-2

What is reflection?

• The bending of light when it moves through one kind of matter to another

• The bouncing of light off an object

• The taking in of light by a material

Tags

NGSS.MS-PS4-2

What is refraction?

• The bending of light when it moves through one kind of matter to another

• The bouncing of light off an object

• The taking in of light by a material

Tags

NGSS.MS-PS4-2

Light is a kind of ____.

• color

• reflection

• energy

• heat

Tags

NGSS.MS-PS4-2

What happens to light after it hits a mirror?

• It bounces off the mirror.

• It goes around the mirror.

• It goes straight through the mirror.

• It goes through the mirror and bends.

Tags

NGSS.MS-PS4-2

Which of these describes how light travels through an empty space?

• It travels straight but may change direction to avoid objects.

• It changes direction often even if there are no objects.

• It comes to a stop after it travels a certain distance.

• It travels in a straight line without stopping.

What does the pencil in this picture show about light?

• Light is refracted when it hits a curved object.

• Light is reflected when it hits a curved object.

• Light is refracted when it passes from air into water.

• Light is reflected when it passes from air into water.

Tags

NGSS.MS-PS4-2

What kind of surface best reflects light?

• dull

• shiny

• clear

• black

Tags

NGSS.MS-PS4-2

What kind of path does light take?

• straight

• curvy

• up and down

• zig zag

How is refraction different from reflection?

• Refraction is the taking in of light, while reflection is the bouncing of light off an object.

• Refraction is the bouncing of light off an object, while reflection is the bending of light when it moves through one kind of matter to another.

• Refraction is the bending of light when it moves through one kind of matter to another, while reflection is the taking in of light.

• Refraction is the bending of light when it moves through one kind of matter to another, while reflection is the bouncing of light off an object.

Tags

NGSS.MS-PS4-2