Year 7 waves

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

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.HS-PS4-1

NGSS.HS-PS4-5

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

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.MS-PS4-1

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS4-2

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

What is volume?

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

The lowest part of the wave is?

• crest
• trough
• rarefaction
• wavelength