Sound Waves

Sound Waves

By Malcolm Harrison

Open Ended

State what if anything happens to the loudness of. the note?

Open Ended

State how you deduced (i)

Open Ended

State what if anything happens to the frequency of the note?

Open Ended

State how you deduced (i)

Multiple Choice

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume

Multiple Choice

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

Multiple Choice

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

Multiple Choice

The speed of a sound wave depends on

• the frequency
• the medium
• both air temperature and medium
• the air temperature

Multiple Choice

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

Multiple Choice

Bats use ________ to locate mosquitoes in the air.

• solar

• ecology

• echolocation

• refraction

Multiple Choice

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

Multiple Choice

A part in a longitudinal wave where the particles are spread apart

• compression
• rarefaction
• crest
• trough

Multiple Choice

The part of a longitudinal wave where the particles of the medium are close together.

• rarefaction
• compression
• crest
• trough

Multiple Choice

A disturbance that travels through a medium as a longitudinal wave

• sound
• wavelength
• pitch
• frequency

Multiple Choice

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

Multiple Choice

Material (matter) through which a wave travels

• medium
• Doppler Effect
• sound
• pitch

Multiple Choice

When a sound is louder what measurement gets bigger?

• Frequency 
• Amplitude 
• Wavelength 
• Crest

Multiple Choice

What is B?

• crest
• trough
• compression
• rarefaction

Multiple Choice

Why is the school library covered with carpet?

• So everyone can make a lot of noise
• to help absorb sounds to keep it quiet
• because it looks good
• to help absorb sounds so it can stay noisy