Sound

Sound waves can travel through

• solids, liquids and gases

• solids only

• gases only

Sound waves travel faster through

• solids

• liquids

• gases

Sound travels faster through a solid because the molecules are

• packed together

• a bit apart

• very apart

Sound travels slower through gases because the molecules are

• packet together

• a bit apart

• very apart

In outer space there is no sound because there is no

• water

• air

• light

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

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.

Tags

NGSS.4-PS4-1

NGSS.4-PS3-2

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.MS-PS4-1

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Tags

NGSS.MS-PS4-1