Sound

Sound is a form of ...

• pitch

• music

• force

• energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How are sounds created?

• By our voice.

• When an object moves.

• When an object vibrates.

• By our ears.

Tags

NGSS.MS-PS4-1

_______ means to move back and forth quickly.

• Echo

• Vibration

• Pitch

• Amplitude

Sound travels through the air as waves. True or False?

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

______ is the loudness or softness of a sound

• Pitch

• Echo

• Volume

• Vibration

Why there is no sound in space?

• The sound waves do not have anything to travel through.

• The molecules in space are too small.

• Sound only travels through solid material.

• Sound needs the correct temperature to travel through.

Tags

NGSS.HS-PS4-1

What causes an echo?

• You repeating yourself.

• Sound waves bouncing off a carpet.

• Sound waves bouncing off large, hard surfaces.

• Sound waves bouncing off soft surfaces.

Tags

NGSS.MS-PS4-2

Why is the school library covered with carpet?

• so that the school library looks good

• to help absorb sounds

• to help reflect sounds

• so the school library feels cosy

When Tom yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this called?

• Echo

• Pitch

• Soundproofing

• Vibration

Tags

NGSS.MS-PS4-2

Which sentence BEST describes how sound moves?

• Sound can move through liquids and gases but not through solids.

• Sound can move through empty space or through matter.

• Sound can move through solids and liquids but not through gases.

• Sound can move through solids, liquids, or gases.

Tags

NGSS.MS-PS4-2