Waves and Info

How many vibrations that occur in a sound wave over a given amount of time is called the _________. 

• volume
• sound wave
• frequency
• pitch

Why do we not hear sound in outer space?

• there is no one out there to hear it.
• it is so cold
• it is a vacuum or empty space
• there are too many stars that are exploding

What is pitch?

• how big and small a sound is
• how high and low a sound is
• a sound that bounces off a surface
• how fast and slow a movement is

What is volume?

• the softness our loudness of a sound
• a bunch of bananas
• high and low pitches
• fast and slow sounds

What is a vibration?

• high and low sounds
• loud and soft noises
• the back and forth movement of matter
• big and small sounds

Tags

NGSS.MS-PS4-1

What is echo?

• high and low sounds
• fast and slow movements
• big and small instruments
• a sound that bounces off a surface

Tags

NGSS.MS-PS4-2

Do objects with a low pitch vibrate fast or slow?

• Fast
• Slow
• I don't know

Tags

NGSS.MS-PS4-1

Do objects with a high pitch vibrate fast or slow?

• Fast
• Slow
• I don't know

Tags

NGSS.MS-PS4-1

Sound is a form of ?

• heat
• music
• energy
• noise

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound travels through everything but

• empty space
• solids 
• liquids
• gases

Tags

NGSS.MS-PS4-2