Sound & Light Waves

The result of two waves interfering with one another constructively (loudly) or destructively (softly) is called

• photon

• destructive interference

• pitch

• beat

The frequency at which a beat repeats itself

• beat

• harmony

• beat frequency

• pitch

A unit used to compare the loudness of different sounds.

• Hertz

• Decibel

• seconds

• meters

A change in sound frequency caused by motion of the sound source, motion of the listener, or both.

• pitch

• beat

• intensity

• Doppler Effect

Sound waves with frequencies below 20 hertz

• infrasonic

• ultrasonic

• intensity

• pitch

Tags

NGSS.HS-PS4-1

The amount of sound energy that passes through a square meter of space in one second

• pitch

• beat

• intensity

• polarizer

The loudness of a sound given in decibels

• intensity level

• electromagnetic spectrum

• visible light

• pitch

A tone's experienced highness or lowness

• beat

• pitch

• beat frequency

• polarizer

Having a frequency higher than 20,000 Hz

• infrasonic

• ultrasonic

• decibel

• polarization

Tags

NGSS.HS-PS4-1

Additive primary colors are

• red, green, blue

• red, yellow, blue

• cyan, magenta, yellow

• white when combined together

• black when combined together