Sound energy

Sound travels through solids.

• True
• False

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

1.  Sound can’t travel through liquids.

• True
• False

Tags

NGSS.MS-PS4-2

1. Without a medium, sound waves could not travel.

• True

• False

Tags

NGSS.MS-PS4-2

1.  Sound travels through gas.

• True
• False

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

1.  Sound travels fastest through gases (air).

• True
• False

Tags

NGSS.4-PS3-2

1.  Sound can be transmitted through objects.

• True
• False

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Sound is caused by?

• friction

• vibrations

• instruments

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

I am an astronaut, floating in my spacesuit in outer space. I see another astronaut, floating in her spacesuit. I want to communicate with her. Which method would be successful?

• shine a light in Morse code to represent letters

• shout at her

• make a loud bang

• say hello

Why does cupping your hands around your mouth when you shout make the sound travel further?

• The sound spreads out.
• Your voice gets louder.
• You are screaming.
• The sound energy is directed in one direction.

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

What causes an echo?

• sound waves bouncing off large, hard surfaces

• sound waves bouncing off carpet

• sound waves bouncing off trees and bushes

• you repeating yourself

Tags

NGSS.MS-PS4-2