Light and Sound Waves

Which of these statements about light is NOT true?

• Light is a form of energy.
• Light travels in straight lines.
• Light waves travel toward a source of light.
• Light waves move energy from one place to another.

A _____ is a natural source of light.

• neon sign
• candle
• firefly
• light bulb

_____ is the number of waves that pass a point in a certain time period.

• frequency
• wavelength
• amplitude
• property

Sound happens when particles of matter _____ .

• stop
• vibrate
• flow
• crash

You see yourself in a mirror because light _____ off of the mirror.

• absorbs
• reflects
• refracts
• shines

A/An _____ is reflected sound.

• wavelength
• amplitude
• tone
• echo

The bending of light waves is called _____ .

• refraction
• reflection
• concave
• convex

Black objects _____ all the colors in white light.

• absorb
• reflect
• refract
• deflect

Amplitude affects the _____ of sound.

• compression
• frequency
• pitch
• volume

Which of these statements is true?

• Light waves are part of the electromagnetic spectrum, but sound waves are not.
• Sound waves are part of the electromagnetic spectrum, but light waves are not.
• Neither light waves nor sound waves are part of the electromagnetic spectrum.
• Both light waves and sound waves are part of the electromagnetic spectrum.