CH 13 SOUND

A very loud sound can harm our....

• ears

• eyes

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.4-PS3-2

Ila hits a drum with her drumstick and makes it vibrate. She then puts her hand on the drum and stops the vibration. What happened to the sound of the drum?

• The sound continues but not as loud.

• The sound continues but has a lower pitch.

• The sound stops because her hand absorbs the sound.

• The sound stops because the vibrations have stopped.

Vibrating vocal chords causes sound energy when a person speaks.

• True
• False

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

In which medium will sound travel slowest?

• air
• water
• glass
• salt water

Tags

NGSS.MS-PS4-2

True or False
You can hear in space.

• True
• False

Tags

NGSS.4-PS3-2

In which  medium will sound travel fastest?

• air
• water
• glass
• salt water

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

What travels faster, light or sound?

• light
• sound

Tags

NGSS.4-PS4-1

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.4-PS4-1