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WorksheetsForms of Energy, Circuits, and Light
Total questions: 38
Worksheet time: 29mins
Name
Class
Date
1.
Look at the picture below. Which part of the lamp system could be removed and the lamp still work?
a)
The lamp shade
b)
The electrical cord
c)
The light bulb
d)
The wall outlet
2.
A boy went camping and packed his flashlight. When it got dark, he tried to turn on the flashlight; however, it didn't work. There are several reasons why it would not work. All of the following could be reasons the flashlight failed to work EXCEPT —
a)
There were no batteries in the flashlight.
b)
The lens protecting the light bulb was scratched.
c)
The flashlight batteries were old.
d)
He didn't turn the switch from off to on.
3.
Which object is the best conductor of electricity?
a)
A ceramic mug
b)
A plastic fork
c)
A penny
d)
A wooden craft stick
4.
What form of energy is being used when a person pushes heavy boxes across the floor?
a)
Electrical energy
b)
Mechanical energy
c)
Heat energy
d)
Sound energy
5.
Which statement is true about the picture?
a)
The metal pan causes the water to boil.
b)
The metal pan is a poor conductor of heat.
c)
The wooden handle is a good heat insulator.
d)
The wooden handle is a good heat conductor.
6.
A student created an electrical circuit, shown.
Which of the following statements is true about the circuit?
Which of the following statements is true about the circuit?
a)
The electrical circuit is working.
b)
The electrical circuit is open.
c)
The electrical circuit is complete.
d)
The electrical circuit is closed.
7.
Which form of energy is produced when a guitar string vibrates?
a)
Sound energy
b)
Electrical energy
c)
Chemical energy
d)
Light energy
8.
Which form of energy is produced when a lamp is switched on?
a)
Sound energy
b)
Electrical energy
c)
Chemical energy
d)
Light energy
9.
A teacher drew a Venn diagram on the board, as shown.
Which of the following terIs made from matterms belongs only in the Conductor section of the Venn diagram?
Which of the following terIs made from matterms belongs only in the Conductor section of the Venn diagram?
a)
Can be made from wood
b)
Stops energy from passing through it
c)
Allows energy to pass through it
d)
Is made from matter
10.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
11.
Levi is wanting to light a bulb. What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
12.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
13.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
14.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
15.
Which statement is true?
a)
The light bulb will light up because the circuit is complete.
b)
The light bulb will light up because the circuit is broken.
c)
The light bulb will not light up because the circuit is complete.
d)
The light bulb will not light up because the circuit is broken.
16.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
17.
What kind of circuit is this?
a)
series
b)
parallel
18.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
19.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
20.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
21.
When there is only one path for electrons to move through it is called a _____. When one light goes out, they all go out.
a)
closed circuit
b)
parallel circuit
c)
series circuit
d)
open circuit
22.
Which of the following factors contributes to the bending of light?
a)
Change of speed of light
b)
Change of density of light
c)
Change of colour of light
d)
Change of energy of light
23.
What is reflection?
a)
Reflection is the bouncing of light off the surface that it strikes on.
b)
Reflection is the absorbing of light off the surface that it strikes on.
c)
Reflection is the bending of light off the surface that it strikes on.
d)
Reflection is the scattering of light off the surface that it strikes on.
24.
MCQ 02
Why can you see most objects?
Why can you see most objects?
a)
A. they emit light
b)
B. light refracts through them
c)
C. light reflects off them
d)
D. they absorb light
25.
MCQ 03
Objects that allow only some light to pass through them are considered __________.
Objects that allow only some light to pass through them are considered __________.
a)
A. transparent
b)
B. translucent
c)
C. opaque
d)
D. solid
26.
MCQ 05
Light is a form of energy produced by a ______.
Light is a form of energy produced by a ______.
a)
A. luminous object
b)
B. transparent object
c)
C. non-luminous object
d)
D. opaque object
27.
MCQ 06
An example for non-luminous object is ___________.
An example for non-luminous object is ___________.
a)
A. a candle
b)
B. the sun
c)
C. an electric bulb
d)
D. the moon
28.
MCQ 07
The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as ________.
The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as ________.
a)
A. polarization
b)
B. reflection
c)
C. refraction
d)
D. absorption
29.
MCQ 08
If a capital letter R is seen in an ordinary mirror, what does it look like?
If a capital letter R is seen in an ordinary mirror, what does it look like?
a)
A
b)
B
c)
C
d)
D
30.
MCQ 014
Which answer explains why no sunlight gets into the cave chamber?
Which answer explains why no sunlight gets into the cave chamber?
a)
A. it is night time
b)
B. the cave is underground
c)
C. the light cannot get round the wiggles in the tunnel
d)
D. the caver’s lamp is brighter than the sunlight
31.
MCQ 015
Which of the following is not a source of light?
Which of the following is not a source of light?
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
32.
MCQ 016
If his lamp stopped working, what would the caver be able to see?
If his lamp stopped working, what would the caver be able to see?
a)
A. the tunnel to the cave
b)
B. a mirror
c)
C. nothing
d)
D. the walls of the cave
33.
The pictures shows what a student observed when he looked through a hand lens at a penny.
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
a)
absorbed
b)
reflected
c)
refracted
d)
stopped
34.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
35.
A student placed a pencil in a cup of water. The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
36.
Why does the lower part of the child appear so much different in size from the upper part?
a)
The light rays that travel through water and then into air are refracted.
b)
The light rays that travel through water and then into air are enlarged.
c)
The light rays that travel through air and then into water are reflected.
d)
The light rays that travel through air and then into water are reduced.
37.
a)
Reflection
b)
Refraction
38.
a)
Reflection
b)
Refraction
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