Light & Sound Waves

Front

Which will best reflect light rays? Options: Waxed paper, A glass jar, A mirror

Back

A mirror

Tags

NGSS.MS-PS4-2

Front

What does it mean to communicate?

Back

To understand each other.

Front

Vibration

Back

A very fast back-and-forth motion.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What materials do not allow ANY light waves to pass through? Options: Opaque, Transparent, Translucent

Back

Opaque

Front

What materials allow SOME light waves to pass through, but not in a straight path? Options: Opaque, Transparent, Translucent

Back

Translucent

Tags

NGSS.4-PS4-2

Front

What type of materials allow ALL light waves to pass through easily? Options: Opaque, Transparent, Translucent

Back

Transparent

Tags

NGSS.MS-PS4-2

Front

Why do you hear an echo when you yell in a canyon?

Back

The sound waves are reflected by the walls of the mountains.

Tags

NGSS.MS-PS4-2

Front

Which of these is a way to communicate without sound? whispering, sign language, shouting

Back

sign language

Front

What happens when you pluck a guitar string?

Back

It vibrates and makes sound

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the effect of sound waves hitting your eardrum?

Back

You hear sounds