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WorksheetsLight
Total questions: 55
Worksheet time: 28mins
Name
Class
Date
1.
______________- is a form of energy that travels in electromagnetic waves
a)
Sound
b)
Light
c)
Hydrology
2.
Electromagnetic (EM) waves can all be seen by humans.
a)
True
b)
False
3.
Our eyes see only a small portion of EM waves called
a)
nuclear light
b)
audio light
c)
visible light
4.
Visible light consist of the following colors: red, orange, yellow, green, blue, indigo, and violet.
a)
True
b)
False
5.
The colors of visible light are due to same wavelengths of light.
a)
True
b)
False
6.
The ________ the wavelength, the less energy it has.
a)
shorter
b)
longer
7.
The __________ the wavelength, the more the energy it has.
a)
shorter
b)
longer
8.
The longest wavelength of visible light looks _________ to us.
a)
Yellow
b)
indigo
c)
violet
d)
red
9.
The shortest wavelength of visible light looks ______ to us.
a)
Yellow
b)
indigo
c)
violet
d)
red
10.
Light travels out in all directions from its source.
a)
True
b)
False
11.
Light is made of little particles called ______
a)
atoms
b)
electrons
c)
photons
12.
A_______ is the smallest possible particle of electromagnetic radiation that travel in waves.
a)
atom
b)
electrons
c)
photon
13.
Light travels in straight lines called ____________
a)
photons
b)
rays
c)
segments
14.
Light travels at ____________
a)
speed of sound
b)
speed of a car
c)
speed of light
15.
About how fast is the speed of light
a)
670 million miles per hour
b)
200 miles per hour
c)
10000 miles per hour
16.
Light can travel in a vacuum.
a)
True
b)
False
17.
Light cannot be absorbed.
a)
True
b)
False
18.
Absorbed light energy can be converted into other forms of energy like thermal energy.
a)
True
b)
False
19.
Dark colors __________ light, helping us keep warmer in the winter.
a)
absorb
b)
reflect
20.
Light colors absorb ____________ light of the sun's energy, keeping us cooler.
a)
more
b)
less
21.
Light can be reflected, refracted, or transmitted.
a)
True
b)
False
22.
The _____________ tells us that light will always reflected by a surface at the same angle at which it hits the surface.
a)
theory of light
b)
law of reflection
c)
law of speed
23.
Light always travels in straight lines. But when it passes from one medium into another, it changes speed and direction slightly. This is called ___________
a)
refraction
b)
reflection
c)
transmission
24.
Reflection occurs because light travels at different speeds through different materials.
a)
True
b)
False
25.
When light travels through matter, this is called
a)
refraction
b)
reflection
c)
transmission
26.
Light is transmitted through water, air, and glass easily. These materials are
a)
opaque
b)
transparent
c)
translucent
27.
When matter transmits some but not all of the light that hits it
a)
transparent
b)
translucent
c)
opaque
28.
An example of a translucent material is waxed paper
a)
True
b)
false
29.
_____________ matter does not transmit or let any light pass through it.
a)
transparent
b)
opaque
c)
translucent
30.
Transparent object is one in which light can travel undistorted.
a)
True
b)
false
31.
Which of the following is used in a magnifying glass?
a)
a prism
b)
a mirror
c)
a convex lens
d)
a concave lens
32.
Which of the following is translucent?
a)
cardboard
b)
tissue paper
c)
clear glass
d)
construction paper
33.
Which of the following items is transparent
a)
a brick wall
b)
stained glass window
c)
tin foil
d)
eye glasses
34.
Which tool would you use to split white light into colors?
a)
a mirror
b)
a prism
c)
a concave lens
d)
a convex lens
35.
Which of the following has a thinner middle than the edge?
a)
a mirror
b)
a prism
c)
a concave lens
d)
a convex lens
36.
Which of the following has a thick center and thinner edges?
a)
a concave lens
b)
a convex lens
c)
straight lens
d)
curved lens
37.
A __ is a solid object that bends light.
a)
prism
b)
mirror
38.
Translucent is bouncing of light off an object
a)
true
b)
false
39.
When you see an image of yourself on a smooth, shiny surface this is an example of
a)
opaque
b)
reflection
c)
t
40.
If the sun is in front of you, then your shadow will
a)
over you
b)
to your left
c)
behind you
41.
When light travels from air into water, it
a)
bends
b)
creates a shadow
c)
speeds up
42.
A clear, solid geometric shape that bends light so that you can see all of the colors of the rainbow is a
a)
visible spectrum
b)
mirror
c)
prism
d)
lens
43.
A picture made by a lens or a mirror is
a)
concave lens
b)
a convex lens
c)
a prism
d)
an image
44.
Which type of lens makes an image appear smaller
a)
magnifying lens
b)
concave
c)
convex
45.
Which type of lens is thicker in the middle
a)
Concave
b)
convex
c)
magnifying glass
46.
An object that is red absorbs all colors except
a)
white
b)
red
c)
blue
d)
green
47.
Which color would reflect the most light and heat
a)
yellow
b)
black
c)
red
d)
white
48.
A device that uses shadows to tell time
a)
prism
b)
sundial
49.
Which type of lens would you use to see a ladybug more closely
a)
telescope
b)
concave lens
c)
convex lens
d)
binoculars
50.
A yellow flag reflects which color
a)
White
b)
yellow
c)
black
d)
it absorbs yellow
51.
Which kinds of colors absorb light
a)
dark colors
b)
light colors
52.
If the sun is in the west, then it must be
a)
morning
b)
noon
c)
evening
d)
midnight
53.
If the sun is behind you, then your shadow would be
a)
also behind you
b)
beside you
c)
in front of you
d)
to the left
54.
A purple flower reflects the color purple and ___________ all the other colors
a)
reflects
b)
refracts
c)
absorbs
d)
bends
55.
What powers satellites in space
a)
a large battery
b)
the sun
c)
the moon
d)
the earth
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