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Worksheetshe is c o o l
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
A straw in a cup will appear bent because of...
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Absorption
2.
Which best explains what happens to light when it shines on a green snake?
a)
Red and Green are absorbed
b)
Red and green are reflected
c)
Green is absorbed, Red is reflected
d)
Green is reflected, Red is absorbed
3.
What would be the best use for a material that reflects almost all light?
a)
A mirror
b)
A window
c)
A lightbulb
d)
A sheet of paper
4.
Which best explains why a white paper looks white?
a)
It absorbs all colors
b)
It reflects red and green
c)
It reflects red and blue
d)
It reflects all colors
5.
What is the key difference between light and sound waves?
a)
Sound waves are electromagnetic
b)
Light and sound are exactly the same
c)
Light waves are energy and sound waves are not
d)
Light waves can travel through space
6.
Which color of light has the longest wavelength?
a)
Red
b)
Orange
c)
Green
d)
Violet
7.
The angle that light hits a surface is ____________ the angle it is reflected away.
a)
Greater than
b)
Less than
c)
Equal to
d)
Unrelated to
8.
Describe how a red apple with a green leaf will look in red light.
a)
The whole thing is black.
b)
The apple is black and the leaf is green.
c)
The apple is red and the leaf is green.
d)
The apple is red and the leaf is black.
9.
How are rainbows produced?
a)
Refraction bens light into color based on wavelength.
b)
Refraction bends light into color based on amplitude.
c)
Raindrops reflect color based on frequency.
d)
Raindrops reflect color based on amplitude.
10.
Mirrors on the side of a school bus are convex because they curve outwards. What is the best reason why these are used?
a)
Convex mirrors make objects look bigger.
b)
Convex mirrors let you see a larger area.
c)
Convex mirrors make everything upside down.
d)
Convex mirrors show objects exactly how they are.
11.
Which is an example of diffraction?
a)
Light rays refract in a new medium.
b)
Light spreads out passing through an opening.
c)
Light bounces back off a surface.
d)
Light is absorbed by a material.
12.
When a balloon is rubbed on a sweater, what happens?
a)
Protons move from the sweater to balloon.
b)
Protons move from the balloon to the sweater.
c)
Electrons move from the sweater to balloon.
d)
The charges stay in place.
13.
A positively charged object...
a)
Has lost electrons
b)
Has gained protons
c)
Has gained electrons
d)
Has lost protons
14.
Which of these is evidence of static electricity?
a)
Your hair sticks up
b)
You get a shock when you touch something metal
c)
A piece of plastic sticks to your hand
d)
All of these
15.
A compass needle will be moved when it is near an electric current. Why?
a)
A compass will only work near an electric field.
b)
An electric current makes a magnetic field.
c)
An electric current destroys a magnetic field.
d)
Electricity and magnetism are unrelated.
16.
Which of these objects would be best made of a translucent material?
a)
A car windshield
b)
Eyeglasses
c)
A bathroom window
d)
A mirror
17.
Which phrase best matches the word "diffract?"
a)
Pass through
b)
Bounce back
c)
Bend
d)
Spread out
18.
Which phrase best matches the word "reflect?"
a)
Pass through
b)
Bounce back
c)
Bend
d)
Spread out
19.
Which phrase best matches the word "refract?"
a)
Pass through
b)
Bounce back
c)
Bend
d)
Spread out
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