Sound

Sound is a result of vibrating ________.

• matter

• light

How does this instrument make sound?

• The musician blows into a mouthpiece.

• The wind causes the strings to vibrate.

• As the bow goes across the strings, it causes vibrations in the violin.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is sound?

• Energy caused by vibration you can hear.

• To move back and forth very quickly.

• How high or low a sound is.

• The ability to make something move or change.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound is

• a mechanical energy

• Radiant energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What causes a high-pitched sound?

• when an object vibrates quickly

• when an object vibrates slowly

What causes a low-pitched sound?

• when an object vibrates quickly

• when an object vibrates slowly

What is sound made from?

• absolute stillness

• vibration

• sound particles

• none of the above

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

______________ describes how high or low a sound is.

• Frequency

• Pitch

• Wavelength

Sound cannot travel through __________.

• water

• metal

• air

• empty space/Vacuum

Tags

NGSS.MS-PS4-2

Destiny hits a symbol with her drumstick and makes it vibrate.  She then puts her hand on the symbol and stops the vibration.  What happened to the sound of the symbol? 

• The sound continues but not as loud. 
• The sound continues but has a lower pitch. 
• The sound stops because her hand absorbs the sound. 
• The sound stops because the vibrations have stopped. 

Tags

NGSS.MS-PS4-2