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Unit 4 Study Guide - Sound and Light

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Sound is caused by a _______________ that travels through a _______________.

a)

vibration, space

b)

vibration, medium

c)

photons, space

d)

photons, medium

2.

Which property of a sound wave does a high pitch mean?

a)

high amplitude

b)

low amplitude

c)

high frequency

d)

low frequency

3.

What is the unit for frequency of a sound wave?

a)

Newton

b)

Watts

c)

Joules

d)

Hertz

4.

What is used by animals like dolphins and bats that use reflected sound waves to locate objects?

a)

Echolocation

b)

SONAR

c)

Ultrasound

d)

Doppler Effect

5.

Identify the parts of the sound wave.

a)

A is crest; B is trough

b)

A is trough; B is crest

c)

A is compression; B is rarefaction

d)

A is rarefaction; B is compression

6.

The wave speed of a sound wave can be affected by what two factors? (more than one answer)

a)

Vacuum

b)

Temperature

c)

Medium

d)

Air composition

7.

What are the tiny bumdles of energy that make up light waves called?

a)

protons

b)

photons

c)

neutrons

d)

electrons

8.

What are the parts of the light wave?

a)

A is crest; B is trough

b)

A is trough; B is crest

c)

A is compression; B is rarefaction

d)

A is rarefaction; B is compression

9.

What type of light interaction is illustrated in this image?

a)

Transmission

b)

Interference

c)

Scattering

d)

Absorption

10.

What type of light interaction is illustrated in this image?

a)

Absorption

b)

Refraction

c)

Reflection

d)

Scattering

11.

What type of light interaction is illustrated in this image?

a)

Absorption

b)

Reflection

c)

Scattering

d)

Refraction

12.

Light waves always travel in _______________ lines.

a)

curved

b)

parallel

c)

perpendicular

d)

straight

13.

Which wave can travel through the vacuum of space?

a)

Longitudinal

b)

Tidal

c)

Seismic

d)

Transverse

14.

Which electromagnetic waves help your body produce Vitamin D?

a)

ultraviolet waves

b)

x-rays

c)

gamma rays

d)

infrared rays

15.

Which of the following lists the electromagnetic spectrum waves in order of increasing wavelength?

a)

Radiowaves, ultraviolet wavs, X-rays

b)

Gamma rays, microwaves, UV waves

c)

X-ray, visible light, radiowaves

d)

infrared waves, radiowaves and x-rays

16.

Which of the following has wavelengths longer than microwaves?

a)

infrared waves

b)

radio waves

c)

visible light

d)

gamma rays

17.

Which electromagetic waves allow us to diagnose and treat cancer?

a)

X-rays

b)

Gamma rays

c)

Ultraviolet waves

d)

Radiowaves

18.

Which electromagnetic waves are used in devices such a a heat lamp and TV remote controls?

a)

Ultraviolet waves

b)

Infrared waves

c)

Radiowaves

d)

Microwaves

19.

How is the elctromagnetic spectrum organized?

a)

Increasing wavelength

b)

Increasing amplitude

c)

Increasing frequency

d)

Increasing wave speed

20.

For waves in any medium, as the wavelength decreases, what happens to the frequency?

a)

Decreases

b)

Stays the same

c)

Increases

d)

They are not related