Apologia Physical Science Module 14

What term do we use for the highness or lowness of sound?

• sonic boom

• supersonic

• pitch

• transverse wave

What is the sound produced as a result of something traveling at or above mach 1?

• sonic boom

• supersonic

• thunder

• baby shark

What type of wave's propagation is parallel to its oscillation?

• tsunami

• sound wave

• longitudinal wave

• transverse wave

What type of wave's propagation is perpendicular to its oscillation?

• sound wave

• transverse wave

• longitudinal wave

• supersonic

A musician has two recorders one long, one short. Which one will play the lowest pitch?

• long

• short

Do sound waves oscillate parallel or perpendicular to the direction in which the wave travels?

• parallel

• perpendicular

Which wave has the longest wavelength?

• infrasonic

• ultrasonic

• sonic

In which medium will sound travel faster?

• air

• water

As you speed up. the pitch of a siren gets higher. Are you driving toward or away from the source of the sound?

• toward the sound

• away from the sound

MATH! What is the speed of sound in air that has a temperature of 25 degrees Celsius?

• 364.5 m/sec

• 64.5 m/sec

• 4.5 m/sec