Sound and Light Review

How does the light travels?

• in parallel

• in a straight line

• on its own orbit

• on its own path

Tags

NGSS.MS-PS4-2

How to increase the size of the shadow on the screen?

• Move the light source farther from the object

• Move the object closer to the screen

• Change the type of object used

• Move the object closer to the light source

There is no shadow formed on the screen. Why?

• The object is opaque

• The light source is too dim

• The object is transparent

• The object is translucent

Tags

NGSS.MS-PS4-2

When we look into a glass mirror, light...

• Bends as it passes through
• Bounces back in a random order
• Hits the mirror and is absorbed
• Bounces back at the same angle it strikes the mirror at

Tags

NGSS.MS-PS4-2

When we looked at our pencil in a beaker of water it looked bent, why?

• The light bends the pencil
• Light reflects off of the water
• Light changes direction in the water

Tags

NGSS.MS-PS4-2

A shiny piece of metal will __________ light.

• reflect 
• refract

Tags

NGSS.MS-PS4-2

Light travels slower through water than it does through air, this cause the light to be ___________.

• reflected
• refracted

Tags

NGSS.MS-PS4-2

Opaque means...

• No light passes through it
• All light passes through it
• Some light passes through it

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

Which material is NOT translucent?

• Brick
• Tissue paper
• Thin sheet of plastic

Tags

NGSS.MS-PS4-2

What is light?

• A form of energy
• A form of sound
• bright stuff
• A form of excitement

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1