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EM Spectrum and Light

Total questions: 62

Worksheet time: 58mins

Name
Class
Date
1.

Light is made up of...

a)

electricity and waves

b)

magnetism and waves

c)

electricity and magnetism

d)

electricity and energy

2.

The color with the longest wavelength is...

a)

Blue

b)

Red

c)

Green

d)

Yellow

3.

Sunlight is special because it...

a)

contains all the colors of the rainbow.

b)

contains most of the colors of the rainbow.

c)

contains white light and black light.

d)

contains black light.

4.

The sky is blue because...

a)

blue is the color most scattered or reflected by our atmosphere.

b)

red is the color most scattered or reflected by our atmosphere.

c)

blue is the color most absorbed by our atmosphere.

d)

blue is complimentary to orange.

5.

Which images are opaque?

a)

A & C

b)

A,C,E, & F

c)

D, E, & F

d)

A & E

6.

Material that allows light to pass through allowing you to see "clearly" to the other side.

a)

opaque

b)

translucent

c)

transparent

7.

Wax paper or a foggy window is an example of what type of material?

a)

transparent

b)

translucent

c)

opaque

8.

An opaque object...

a)

allows light to pass through

b)

allows some light to pass through

c)

allows no light to pass through

9.

Why does an apple look red?

a)

because it absorbs red light and reflects white light

b)

because it absorbs red light waves and reflects the others

c)

because it absorbs all colors of light

d)

because it reflects red light waves and absorbs the others

10.

White light is made up of all of the colors of the rainbow

a)

True

b)

False

11.

Black absorbs all light.

a)

True

b)

False

12.

How is the color of a translucent object determined?

a)

By the color(s)/wavelength(s) that are refracted.

b)

By the color(s)/wavelength(s) that are reflected.

c)

By the color(s)/wavelength(s) that are transmitted.

d)

By the color(s)/wavelength(s) that are absorbed.

13.
Light is a form of _________.
a)
sound
b)
heat
c)
energy
d)
color
14.
Light travels ___________.
a)
backwards
b)
in a straight line
c)
in curves
d)
at a right angle
15.
What is the correct order of the colors of the rainbow?
a)
Red, Yellow, Orange, Blue, Indigo, Violet
b)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
c)
Yellow, Orange, Red, Green, Blue, Violet, Indigo
16.
Materials such as wood and metal do not let light travel through them. We cannot see them at all. They are said to be ______________.
a)
invisible
b)
opaque
c)
translucent
d)
transparent
17.
Which example shows light being reflected?
a)
using a microscope to make small objects look larger
b)
using a prism to show the colors of the spectrum
c)
using eyeglasses to see things better
d)
using a mirror to see your image
18.
When a pencil is put into a glass of water, it appears to be broken? Why does the pencil look broken?
a)
because the shiny glass reflects light
b)
because the water separates light into many colors
c)
because the part of the pencil outside the water casts a shadow
d)
because light rays are bent when they pass from air into water
19.
How does light react in an opaque blue material?
a)
it is refracted
b)
all the light is absorbed
c)
all the light is absorbed except the blue which is reflected
d)
all the light is absorbed except the blue which is refracted
20.
Which of the following allows you to see objects that do not produce their own light?
a)
absorption
b)
refraction
c)
reflection
d)
deflection
21.
Bending of light as it passes from one material to another is known as which of the following?
a)
absorption
b)
reflection
c)
refraction
d)
mirror image
22.

What type of wave is light?

a)

electromagnetic

b)

mechanical

23.

What does reflection mean?

a)

look bent and broken

b)

bounce right back up

c)

Buddy

d)

Mrs. Kern

24.

What does the word refraction mean

a)

Looks bent and broken

b)

bounce right back up

25.

What letter is the wavelength?

a)

A

b)

B

c)

d

d)

C

e)

e

26.

How would a tomato look under blue light?

a)

The tomato would seem to disappear

b)

The tomato would still appear red

c)

The tomato would appear black

d)

The tomato would appear white

27.

What do we call a material that light can travel through?

a)

air

b)

water

c)

medium

d)

pathway

28.
In what medium does light travel the fastest?
a)
vacuum
b)
air
c)
water
d)
glass
29.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
30.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
31.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
32.
Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.
a)
radio wave
b)
tv wave
c)
Gamma wave
d)
ultra violet
33.
If the wavelength of an electromagnetic wave is longer, what is true about the energy? 
a)
Energy is higher.
b)
Energy is lower. 
c)
Energy is not dependent on wavelength. 
d)
energy is cancelled out
34.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer? 
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
microwaves
35.
These are the waves that are used to penetrate solids and are used to create medical images.
a)
visible light
b)
gamma rays
c)
x rays
d)
microwaves
36.
The distance between one point of a wave to the same point on the next wave.
a)
frequency
b)
wavelength
c)
amplitude
d)
crest
37.
The highest point of  a transverse wave
a)
crest
b)
trough
c)
amplitude
d)
wavelength
38.
The lowest point of  a transverse wave
a)
crest
b)
trough
c)
amplitude
d)
wavelength
39.
The type of wave with the shortest wavelength and highest frequency.  This type of wave is extremely harmful.
a)
radio
b)
infrared
c)
gamma
d)
x ray
40.
The type of EM wave that is used to cook food.  It has a higher frequency than radio waves.
a)
radio
b)
microwave
c)
gamma
d)
visible light
41.
This color has the shortest wavelength
a)
Indigo
b)
red
c)
Yellow
d)
violet
42.
If an object appears black, this means all 7 colors of the visible light spectrum are _____
a)
reflected
b)
abosrbed
c)
diffracted
43.
Sound waves travel fastest in ____
a)
solid
b)
liquid
c)
gas
d)
vacuum
44.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
45.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
46.

If the wavelength of an electromagnetic wave is increasing, what is true about the energy?

a)

Energy is increasing

b)

Energy is decreasing

c)

Energy is not dependent on wavelength.

d)

energy is cancelled out

47.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
48.
Which electromagnetic waves allow us to diagnose & treat cancer?
a)
Gamma rays
b)
X-rays
c)
Ultraviolet rays
49.
Which of the following has frequencies higher than ultraviolet rays?
a)
visible light
b)
infrared rays
c)
x-rays
50.
Which of the following lists the electromagnetic waves in order of decreasing frequency?
a)
X-rays, microwaves, infrared rays
b)
UV rays, visible light, x-rays
c)
infrared rays, microwaves, radio waves
51.
Where is radio waves located?
a)
2
b)
3
c)
1
d)
8
52.
Where is Ultraviolet (UV)  on the EM spectrum?
a)
2
b)
6
c)
4
d)
5
53.
Which one has the lowest frequency?
a)
Visible Light
b)
Microwave
c)
Radio
d)
Gamma
54.
Put the EM waves in increasing order 
a)
visible light, microwave, gamma
b)
infrared, microwave, radio
c)
ultraviolet, radio, x-ray
d)
radio, visible light, ultraviolet
55.
Which letter is the trough?
a)
B
b)
C
c)
F
d)
E
56.
Which letter is the crest?
a)
A
b)
E
c)
D
d)
C
57.
How are different types of radiation arranged along the EM spectrum?
a)
mediums they travel through
b)
energy they carry
c)
sources they come from
d)
whether you can see them
58.
Which wave type does not need a medium?
a)
sound
b)
electromagnetic
59.
Which color will be warmer?
a)
white
b)
black
c)
none of the colors
d)
all the colors
60.
Sound is a form of energy produced by ______________.
a)
vibrations
b)
distances
c)
prisms
d)
Ms. Crews
61.
Sound waves travel the FASTEST through _____________.
a)
gases
b)
liquids
c)
solids
62.
Sound waves travel the SLOWEST through _____________.
a)
gases
b)
solids
c)
liquids

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