WorksheetsElectromagnetic Spectrum and Light
Total questions: 50
Worksheet time: 52mins
Name
Class
Date
1.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
2.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
3.
Which type of waves are used in broadcasting?
a)
radio waves
b)
infrared rays
c)
x-rays
4.
Electromagnetic waves that help your body produce vitamin D are called?
a)
ultraviolet rays
b)
x-rays
c)
gamma rays
5.
For waves in any medium, as the wavelength decreases, what happens to the frequency?
a)
It also decrease
b)
It stays the same
c)
It increases
6.
How much of the electromagnetic spectrum is made up of visible light?
a)
only a small portion
b)
a very l;arge portion
c)
about half
7.
Which electromagnetic waves allow us to diagnose & treat cancer?
a)
Gamma rays
b)
X-rays
c)
Ultraviolet rays
8.
The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of:
a)
increasing amplitutde
b)
increasing wavelength
c)
increasing frequency
9.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
10.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
11.
Radar uses which type of electromagnetic waves to detect objects & measure their distance and speed?
a)
microwaves
b)
infrared rays
c)
x-rays
12.
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
13.
How are electromagnetic waves different from other waves?
a)
They have very short wavelengths
b)
They transmit energy instead of matter
c)
They can travel through empty space
d)
They can change direction by reflection
14.
What are electromagnetic waves?
a)
sound waves
b)
electric & magnetic fields (energy) that travel through empty space very quickly
c)
Someone's name
d)
things like longitudinal waves
15.
What is the correct order of the visible light spectrum starting with the longer wavelength?
a)
Red, yellow, orange, blue, violet, indigo
b)
Violet, indigo, blue, green, yellow, orange, red
c)
Green, yellow, blue, indigo, red, orange
d)
Red, orange, yellow, green, blue, indigo, violet
16.
Which of the following transmits information using microwaves?
a)
b)
c)
d)
17.
A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.
a)
Person
b)
Prison
c)
Prism
d)
Preacher
18.
Curve in
a)
Converse
b)
Convex
c)
Convection
d)
Concave
19.
When light strikes an object with a rough surface, photons bounce off at random angles.
a)
Occer
b)
Scope
c)
Scattering
d)
Scattegories
20.
Allows little to no light through.
a)
Transparent
b)
Translucent
c)
Opal
d)
Opaque
21.
Curve Out
a)
Converse
b)
Concave
c)
Convex
d)
Convection
22.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
23.
The term for any wave that hits a surface and bounces off
a)
Transparent
b)
Translucent
c)
Refraction
d)
Reflection
24.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
25.
Transfer of energy when a wave disappears into a surface
a)
Transparent
b)
Refraction
c)
Reflection
d)
Absorption
26.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
27.
A substance through which light travels.
a)
Wavelength
b)
Opaque
c)
Frequency
d)
Medium
28.
Light travels on straight lines.
a)
Light Bulb
b)
Sunshine
c)
Light Rays
d)
Frequency
29.
When scientists talk about white light, they areMOST likely referring to light that is
a)
a combination of all of the colors in the visible region of the electromagnetic spectrum.
b)
the unabsorbed refracted light produced by a black light.
c)
the narrow band corresponding to white light in the electromagnetic spectrum.
d)
a combination of all the types of electromagnetic radiation.
30.
Which of these colors of visible light has the shortest wavelength?
a)
red
b)
green
c)
violet
d)
yellow
31.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
32.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
33.
What happens when light hits an object?
a)
Some of the light jumps in different directions
(bounces)
(bounces)
b)
Some of the light gets absorbed by the object.
c)
Some of the light bounces back to your eye
d)
ALL of them.
34.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
35.
Which material is NOT translucent?
a)
Brick
b)
Tissue paper
c)
Thin sheet of plastic
36.
Which material is opaque?
a)
Brick
b)
Water
c)
Tissue Paper
d)
Glass
37.
Which material is transparent?
a)
Clear glass
b)
Tissue paper
c)
Shoe
d)
Wax paper
38.
Why does a straw look broken when you put it in a cup of water?
a)
It is being reflected.
b)
It is being refracted.
c)
It is broken.
d)
The colors are being separated.
39.
What kind of surface will NOT have a clear reflection?
a)
Smooth lake
b)
Mirror
c)
Bumpy, rough surface
d)
Smooth surface
40.
Why does an apple appear red?
a)
All colors are absorbed & none are reflected
b)
All colors are absorbed except for blue, which is reflected
c)
All colors are reflected and none are absorbed
d)
All colors are absorbed except for red, which is reflected
41.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
42.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
43.
What does light do when it hits an object that it cannot pass through?
a)
It creates a shadow
b)
It passes through anyway
44.
lenses
a)
reflect
b)
refract
c)
absorb
45.
Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?
a)
The curtain absorbs light.
b)
The curtain is brightly colored.
c)
The curtain folds easily.
d)
The curtain is rectangular shape.
46.
Which of these provides the best explanation for why the pencil appears broken?
a)
The pencil absorbs the light rays that hit it.
b)
Water reflects light rays away from the pencil.
c)
Light rays are bent by the water in the glass.
d)
The surface of the water reflects the light rays.
47.
At what point is the laser being reflected?
a)
A
b)
B
c)
C
d)
D
48.
Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?
a)
b)
c)
d)
49.
Which object refracted the laser beam?
a)
Silver locket
b)
Picture frame
c)
Glass marble
d)
Notebook
50.
Light can behave as both a ______ and a _______.
a)
Ray; beam
b)
Wave; particle
c)
Natural source; unnatural source
d)
Refraction; reflection
100 %
