Sound waves from a classroom pass through a doorway into the hallway. This is possible because of __________.

The pitch of a sound is directly related to the sound's _______.

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

The unit Hertz is used to measure the waves _______.

What wave property does this illustration demonstrate?

Waves will transfer fastest through _______.

When Mrs. Krabbe yells her name in a cave, the sound echoes off the walls of the cave and travels back to her ears. What is this called?

The height of the wave measured from the mid-line.

Which of the following is NOT a property of sound?

Sound is a form of _____.

Sound is a(n) _____________ wave.

Soft surfaces are ____________ sounds and making a room quieter.

Which unit is used to measure the loudness of common sounds?

The distance from a point on one wave to the same point of another wave is the ____________________.

Shorter wavelengths = ______ ___________

Sound travels fastest through __________ and slowest through ____________.

The sound with greater _______________ has ________________ pitch.

When two waves add together to make a bigger wave, it creates a louder sound. This process is caused by

When two waves combine together to cancel out, it creates a quiet sound. This process is caused by

Which two points on the picture represent one complete wavelength?

Based on the diagram, rank the three people from lowest to highest in pitch they hear?

Which note has the highest pitch?

Which musical note combination, on the chart, would produce the fastest beats if played together?

This picture represents a sound wave, what does that first highlighted section of the wave represent?

This picture represents a sound wave, what does that second highlighted section of the wave represent?

If you are standing at the end of the science hall and a boy and girl both yell at once. The girl yells with a frequency of 780 Hz and the boy with 650 Hz. Which of the two will you hear first?

If 10 waves pass every second, what is the frequency?

If 6 waves pass in 2 seconds, what is the period?

 $v=f\lambda$   $v=\frac{d}{t}$   $f=\frac{1}{T}$   $T=\frac{1}{f}$  

A sound wave has a λ of 170m. The speed of sound travels at 343 m/s. What is the frequency?

Middle C on a piano has a frequency of about 264 hertz. If the wavelength in air of this note is 1.31 meters, what is the speed of sound in air?