Sound and light review

What color(s) does the flower reflect? (Check all that apply)

• Green

• Red

• Blue

• Yellow

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Tags

NGSS.4-PS4-1

NGSS.4-PS4-2

Opaque means...

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

Tags

NGSS.MS-PS4-2

Which mater will sound travel through the fastest?

• helium gas

• pond water

• wooden bookshelf

• plastic food container

Tags

NGSS.MS-PS4-2

Both light and sound -

• are forms of energy

• travel in compression waves

• can travel in outer space

• can not travel in outer space

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

Tags

NGSS.MS-PS4-2

_____?______ materials do not allow light waves to pass through.

• Opaque
• Transparent
• Translucent

Tags

NGSS.MS-PS4-2

Which sound has a higher pitch?

• Sound A

• Sound B

Students observe that the sound of their voices echos in an empty classroom. They fill the room with soft objects like coats and backpacks adn notice the sound of their voices change.

How did thier voices change?

• The sounds combined

• The sounds became quieter

• The sounds traveled more slowly

• The sounds had a higher pitch

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which tunning fork would have the lowest pitch?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-1