Sound

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Tags

NGSS.MS-PS4-2

Sound is caused by....

• molecules
• vibrations
• people
• space

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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.

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

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

NGSS.MS-PS4-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.MS-PS4-1

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

Tags

NGSS.MS-PS4-1

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Sound moves in a _________.

• Transverse wave
• Longitudinal wave