Unit 6 Day 2 Sound Waves

Multiple Choice

What causes sound waves to form?

• Light bouncing off objects

• Vibrations moving through a medium

• Heat energy increasing in the air

• Gravity pulling sound down

Multiple Choice

Which state of matter allows sound waves to travel the fastest?

• Gas

• Liquid

• Solid

• They travel the same speed in all states of matter

Multiple Choice

How does frequency affect the sound we hear?

• Higher frequency makes a lower-pitched sound

• Lower frequency makes a higher-pitched sound

• Higher frequency makes a higher-pitched sound

• Frequency does not affect sound

Multiple Choice

What is the distance between two crests (high points) or troughs (low points) of a sound wave called?

• Amplitude

• Frequency

• Wavelength

• Vibration

Multiple Choice

If you increase the amplitude of a sound wave, what happens to the sound?

• It gets quieter

• It gets louder

• It travels slower

• It disappears