LIGHT AND SOUND

Material that allows light to pass through them to see "clearly" to the other side

• opaque

• translucent

• transparent

Tags

NGSS.MS-PS4-2

Wax paper or a foggy window is an example of what type of material.

• transparent

• translucent

• opaque

Tags

NGSS.MS-PS4-2

Sound is caused by....

• molecules
• vibrations
• people
• space

Sound does not travel in space because

• Space is too far away.

• There is no matter in space.

• Space is the final frontier

• Space has planets.

An echo is a sound wave that has been

• absorbed.
• refracted.
• scattered.
• reflected

Tags

NGSS.MS-PS4-2

How are light and sound ALIKE?

• Both travel as rays

• Both can vary in pitch

• Both depend on vibrations in air

• Both are forms of energy that travel as waves

Tags

NGSS.MS-PS4-1

______materials do not allow light to pass through.

• opaque
• transparent
• translucent
• convex

Tags

NGSS.MS-PS4-2

A very quick back and forth movement

• refract

• absorb

• vibration

• pitch

Tags

NGSS.MS-PS4-1

Why do you see your shadow outside on a sunny day?

• because the groundhog did

• my body is blocking light from the sun

• clouds cover up the sun

• it's bright outside

Tags

NGSS.4-PS4-2

When people speak their ________ vibrate.

• ear drums

• vocal chords

• ears

• tongue