Sound

Sound is caused by? 

• force
• vibrations
• instruments

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

To make a sound from a stringed instrument louder you must

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

Tags

NGSS.MS-PS4-1

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

A sound wave can travel through....

• Solids only

• Liquids only

• Solids, Liquids, and Gas

• Gas only

Tags

NGSS.MS-PS4-2

What part of the ear is #1?

• Ear drum
• Outer ear
• Ear canal
• Cochlea

What part of the ear is #2?

• Ear canal
• Ear wax
• Ear drum
• Outer ear 

What part of the ear is #3?

• Ear canal
• Hammer
• Ear drum
• Ear canal

High pitch sounds are caused by a ______ vibration

• fast 
• slow
• hard
• soft

Low pitch sounds are caused by a ______ vibration

• fast 
• slow
• hard
• soft

Tags

NGSS.4-PS4-1