pitch

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Sound is caused by? 

• force
• vibrations
• instruments

Tags

NGSS.4-PS3-2

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

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.1-PS4-1

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

• louder
• softer
• higher
• lower

Tags

NGSS.4-PS4-1

To make a sound from a stringed instrument louder you must

• hit it
• pluck it harder
• hold it higher
• pluck it softer

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Which of the following is true about sound?

• All sounds are soft
• All sounds are loud
• All sounds are made when matter vibrate
• Some sounds are so loud you cannot hear them

What happens to the sound an object makes when the speed of vibrations decreases (slow down)?

• its volume will increase
• its pitch rises
• its pitch becomes lower
• its volume decreases

Tags

NGSS.MS-PS4-1

True or False:  You cannot see sound waves.

• True
• False