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G8 Unit 4 Waves Concepts Review

Total questions: 37

Worksheet time: 30mins

Name
Class
Date
1.
1. What property of a wave is represented by letter A?
a)

A. Wavelength

b)

B. Amplitude

c)

C. Speed

d)

D. Frequency

2.

What do all waves transfer?

a)

Matter

b)

Heat

c)

Electricity

d)

Energy

3.

Which of the following can waves transfer energy through?

a)

solid

b)

liquid

c)

gas

d)

empty space

e)

all of the above

4.

What are the two types of waves?

a)

longitudinal and transverse

b)

sound and light

5.

What is frequency measured in?

a)

Milliseconds

b)

Miles

c)

Hertz

d)

Kilograms

6.

Which type of waves have the longest wavelength?

a)

Visible light

b)

Radio waves

c)

X-rays

d)

Gamma-Rays

7.

Wavelengths are usually measured in ....

a)

seconds

b)

Hz

c)

inches

d)

meters

8.

Shorter wave lengths can carry more energy. Which of these probably carries the MOST energy:

a)

Infrared light

b)

Visible light

c)

X-rays

d)

UV light

9.
Which is the wavelength?
a)
1
b)
2
c)
3
d)
4
10.
The loudness of the sound depends on
a)
wavelength
b)
amplitude
c)
frequency
11.
Which electromagnetic wave is responsible for cell phones?
a)
gamma
b)
xray
c)
microwaves
d)
radio
12.
Which color has the lowest frequency?
a)
red
b)
green
c)
blue
d)
violet
13.

The highest point on a wave is:

a)

the crest

b)

the trough

c)

the top

d)

the coast

14.

Which letter(s) represent the trough of the wave?

a)

A

b)

B & D

c)

D

d)

C & G

15.
When light hits a black object, like the one in the picture, what will happen to the different colors?
a)
All colors of light will bounce off
b)
All colors of light pass through it
c)
All colors of light will be absorbed
d)
None of the above
16.
Low Amplitude = ______________
a)
Quieter Sounds
b)
Louder sounds
17.
In General Sound waves travel the fastest in __________
a)
solid
b)
liquid
c)
Gas
d)
plasma
18.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
19.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
20.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
21.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
22.
Waves move ___ through vibrations
a)
Energy
b)
Matter
c)
Mass
d)
Weight
23.

You can't hear sounds in outer space because there is no

a)

medium

b)

light

c)

energy

d)

heat

24.
Which travels faster, light or sound?
a)
light
b)
sound
25.

Which of the images best describes the absorption of light?

a)
b)
c)
d)
26.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
27.

When light passes through a prism, why do you see different colors?

a)

Each color has a different wavelength, so they all bend at different angles

b)

Because Stone Cold said so

c)

Because the prism is magical and allows you see the colors

d)
28.

Electromagnetic waves include the following except

a)

radio waves

b)

X-rays

c)

ocean waves

d)

microwaves

29.

Three different objects are shown in the pictures below. Which of the following transmits all colors of light?

a)
b)
c)
30.

Three different objects are shown in the pictures below. Which of the following absorbs all colors of light?

a)
b)
c)
31.

Three different objects are shown in the pictures below. Which of the following reflects all colors of light?

a)
b)
c)
32.

A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surface. What will be the angle of reflection?

a)

60o

b)

30o

c)

90o

d)

45o

33.

Velocity= 12 m/s
Wavelength= __________
Frequency= 60 hertz

a)

720 m

b)

0.2m

c)

612 m

34.

Sound waves that are beyond the range of human ear are known as ----

a)

Infrasonic waves

b)

Ultrasonic waves

35.
What does refract mean?
a)
To shrink
b)
To bend
c)
To widen
d)
To enlarge
36.

Which of the images best describes the reflection of light?

a)
b)
c)
d)
37.

What is the correct formula for wave speed?

a)

Wave speed = frequency x wavelength

b)

Wave speed = amplitude x wavelength

c)

Wave speed = amplitude x period

d)

Wave speed = frequency x period

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