Waves Quiz

Light travels in waves. As the amplitude of a wave increases, light gets brighter. Which image shows the brightest light wave?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-1

The illustration shows a transverse wave. Which bar measures the wavelength of the wave?

• bar W

• bar X

• bar Y

• bar Z

Tags

NGSS.MS-PS4-1

Why does the falcon hunt during the day?

• It is easier for the falcon to see.

• It is easier for the falcon to hide from prey.

• The falcon relies on its sense of hearing to hunt.

• The falcon prefers to hunt when it is warm outside.

Which of these objects is visible because it reflects light toward the eye?

• burning candle

• flashlight bulb

• glowing campfire log

• shiny metallic balloon

Tags

NGSS.MS-PS4-2

Which of the following best describes what happens when a student looks in a mirror?

• The mirror acts as a light source that lights the student’s face.

• Light waves bouncing off the student’s face reflect off the mirror.

• Matter from the student’s face is transformed into light waves in the mirror.

• The student’s eyes see light waves reflecting off the mirror as solid matter.

Tags

NGSS.MS-PS4-2

Look at the diagram below. The bell makes a sound when it is hit by the clapper because the bell

• rotates.

• vibrates.

• releases heat.

• produces electricity.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The table shows how numbers can be represented by a series of the numerals 0 and 1. What number is represented by the sequence? 0010 1001 0001 0111

• 1213

• 2917

• 3014

• 3904

Leilani plays a knee drum. When she strikes the drum with the mallet, it makes a sound. Why does the drum make a sound?

• because her knee moves

• because the drum head is round

• because the top of the drum vibrates

• because the mallet is made of wood

Morse code uses a pattern of short and long sounds to send a message. A different pattern represents each letter. For example, s is three short tones and o is three long tones. The short and long dashes below represent the length of the tones. Which is the Morse code for the signal that calls for help: SOS?

• A

• B

• C

• D

Look at this illustration of a wave. Which points on the wave are the trough and the crest?

• Point W is a trough; Point Y is a crest.

• Point Y is a trough; Point W is a crest.

• Point Y is a trough; Point X is a crest.

• Point W is a trough; Point Z is a crest.

Tags

NGSS.MS-PS4-1