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Energy, Light and Sound Waves

Authored by Mark Kidd

Science

7th Grade

NGSS covered

Used 29+ times

Energy, Light and Sound Waves
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51 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What means number of waves per second?

wavelength
reflection
diffraction
frequency

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following waves is a light wave?

mechanical
longitudinal
infrared
seismic

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bouncing back of a light ray after hitting a surface is known as...

diffraction
refraction
rebounding
reflection

Tags

NGSS.MS-PS4-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bending of light is called refraction.

True
False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes a yellow fire hydrant to appear yellow?

It absorbs yellow light
It reflects yellow light
It transmits yellow light
It reflects all colors except yellow

Tags

NGSS.MS-PS4-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The _________ of a wave is simply the length of one complete wave cycle.

amplitude
wavelength
trough
crest

Tags

NGSS.MS-PS4-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sound waves are created by vibrations.

True
False

Tags

NGSS.MS-PS4-1

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