Sound Review

Waves move by causing a ____________ in particles

• disturbance

• energy

• vibration

• mechanical

The loudness of a sound is directly related to the wave's _____.

• wavelength

• frequecy

• rest position

• amplitude

Tags

NGSS.MS-PS4-1

This illustration demonstrates which wave property?

• amplitude

• diffraction

• Doppler Effect

• frequency

Tags

NGSS.MS-PS4-1

This illustration demonstrates which wave property? (Notice that the number of waves is the same for each example)

• frequency

• amplitude

• Doppler Effect

• diffraction

Tags

NGSS.MS-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

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

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-PS4-2

As you shorten the string, the sound you make when you pluck it..

• gets lower in pitch
• gets louder
• gets higher in pitch
• gets quieter

Tags

NGSS.MS-PS4-1

Sound travels through solids.

• True
• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

1.  Sound can’t travel through liquids.

• True
• False