Waves, Sound & Light Review

Wave frequency is measured in the unit of 

• hertz.
• pings.
• clicks.
• tones.

The distance from one point on a wave to that same point on the next wave is known as

• amplitude.
• frequency.
• wavelength.
• reflection.

Glasses and contacts contain ______ which bend light to hit your retina correctly.

• lenses
• glass
• polish
• coatings

Tags

NGSS.MS-PS4-2

A green plant appears green because it is absorbing all colors except

• yellow.
• blue.
• red.
• green.

Tags

NGSS.MS-LS1-6

A sound wave requires a medium, or material to travel through.

• True
• False

Tags

NGSS.MS-PS4-2

Sound intensity is measured in units called ________ named after Alexander Graham Bell.

• tones
• hertz
• amplitudes
• decibels

How loud or soft people hear a sound is related to the _________ of the sound wave.

• amplitude
• longitude
• echo
• lens

Tags

NGSS.MS-PS4-1

A ______ has at least one curved side and causes light to bend.

• light
• mirror
• lens
• retina

Any reflecting surface is known as a(n)

• opaque object.
• mirror.
• lens.
• glass.

Tags

NGSS.MS-PS4-2

A sound wave can travel through a vacuum or empty space.

• True
• False