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Light & circuits G5

Total questions: 84

Worksheet time: 2hrs 39mins

Name
Class
Date
1.
Light is a KIND of ENERGY.
a)
True
b)
False
2.
All light has a SOURCE, or something it comes from. 
a)
True
b)
False
3.
Which are the two type of light sources?
a)
Artificial and Natural
b)
Natural and Invented
c)
Artificial and Not Artificial
d)
All of them
4.
Which of these are examples of NATURAL sources of light?
a)
Sun 
b)
Stars
c)
Lightning
d)
ALL of them
5.
Which of these are examples of ARTIFICIAL sources of light?
a)
Lightbulbs
b)
Neon signs
c)
Televisions
d)
ALL of them
6.
What does ARTIFICIAL mean?
a)
Made by humans
b)
Natural
7.
Which of these is our MAIN (most important) source of light?
a)
Lightbulbs
b)
The Sun
c)
Fire
d)
All of them
8.
How does light travel/move?
a)
In ONE direction, VERY fast
b)
In ALL directions, VERY fast
9.
What happens when light hits an object?
a)
Some of the light jumps in different directions
(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.
10.
_______ is when light hits and object and it BOUNCES off.
a)
Reflection
b)
Refraction
11.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
12.
Light can pass through objects.
a)
TRUE
b)
FALSE
13.
Through which objects does light pass MORE?
a)
Transparent objects, like glass windows
b)
Opaque objects (not transparent), like a plant
14.
Things make shadows because they ______ light.
a)
BLOCK
b)
PASS
15.
When light passes through things it ________. 
a)
BENDS
b)
STAYS in the SAME direction.
16.
___________ is when light BENDS or CHANGES direction.
a)
Reflection
b)
Refraction
17.
Refraction makes objects look different.
a)
TRUE
b)
FALSE
18.
A Magnifying glass uses refraction to make things look closer.
a)
TRUE
b)
FALSE
19.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
20.
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
21.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
22.
Reflection is
a)
Light bending
b)
Light bouncing
23.
Refraction is
a)
light bending 
b)
light bouncing
24.
These waves travel in a __________ line.
a)
jagged
b)
squiggly
c)
straight
d)
obstructive 
25.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
26.
What causes the pencil to look broken when placed in water?
a)
Refraction
b)
Deflect
c)
Reflection
d)
Opaque
27.

A material that allows light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

28.

A dark area of surface created by an object blocking light.

a)

shadow

b)

opaque

c)

transparent

d)

reflect

29.

A material that DOES NOT allow light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

30.

A material that allows SOME light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

31.

A form of energy we can see.

a)

heat

b)

electricity

c)

light

d)

sound

32.

Which of the materials are translucent?

a)

a desk

b)

a baseball

c)

a doll

d)

a piece of tissue paper

33.

Which object can stop light waves from moving through it?

a)
b)
c)
34.
What is this
a)
translucent
b)
transparent
c)
opaque
35.
What is a conductor?
a)
 A material that allows electricity to flow through it.  The circuit is complete. 
b)
A material that does not allow electricity to flow through.  It stops the flow of electricity.
c)
A light switch.
36.
The form of energy that can produce light, heat, motion, and magnetic force.
a)
electricity
b)
water
c)
grass
37.
Parallel Circuit
a)
Electricity has more than one way to travel through the circuit.  The light bulb burns the longest.
b)
Lightbulb burns the brightest in this circuit.
c)
railroad tracks
38.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum
39.
The circuit that has only one path for electricity to travel around.
a)
parallel circuit
b)
series circuit
c)
no circuit
40.
The act of going around. A system that connects electrical devices so they will operate is?
a)
skeleton
b)
mystery box 
c)
circuit
41.
An example of a conductor is?
a)
metal paperclip
b)
glass marble
c)
wooden golf tee
42.
wood is a _____?
a)
conductor
b)
insulator
43.
water is a______?
a)
conductor
b)
insulator
44.

This circuit has more than one path. When one light goes out, the others stay on.

a)

closed circuit

b)

series circuit

c)

parallel circuit

d)

open circuit

45.
What kind of circuit is this?
a)
series
b)
parallel
46.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit
47.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
48.
When all parts of the circuit are connected it is a ______ circuit. 
a)
open
b)
closed
49.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
50.
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
51.
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
52.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
53.

Why is electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

54.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulate electricity

55.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

56.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

57.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
58.
The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
59.
What material would be safest to use as an insulator to cover electrical wires?
a)
rubber
b)
tin
c)
aluminum
d)
water
60.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
61.

The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?

a)

Bell 1 only

b)

Bells 1 and 4 only

c)

Bells 3 and 4 only

d)

Bells 1, 2, 3, and 4

62.
Is the following photo of an open circuit or closed circuit? 
a)
A closed circuit which allows electricity to flow
b)
An open circuit which does not allow electricity to flow
63.
What is an electrical circuit?
a)
lets you turn the energy on and off
b)
a closed path where where electricity flows
c)
stop electricity from flowing through
64.
What is a battery?
a)
switch
b)
power source
c)
insulator
65.
A complete circuit has .......
a)
a motor in it
b)
a switch in it
c)
two bulbs in it
d)
no breaks in it
66.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
67.

Levi wants to light a bulb. What does he need to do for the bulb to light up?

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

68.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
69.
If you replace the paper clip with a plastic spoon, what is the plastic spoon acting as?
a)
A conductor
b)
A diode
c)
An insulator
d)
A switch
70.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
71.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
72.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
73.
What are the 3 basic components of a circuit?
a)
Energy source, Load, Energy Pathway
b)
Battery, Energy source, Energy Pathway
c)
Battery, Wire, Energy Pathway
d)
ALL of them
74.
Gives a constant supply of electrons. 
a)
Power source
b)
Load
c)
Energy Pathway
75.
Electrons need a GOOD PATH made of a ______ for them to flow. 
a)
Conductor
b)
Insulator
76.
From this picture which is the conductor and which is the insulator? 
a)
Conductor: yellow wire, Insulator: black wire
b)
Insulator: yellow wire, Conductor: black wire
77.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
78.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
79.

What needs to be done to this circuit so that the lamp lights up?

a)

Close the switch

b)

Add a source and close the switch

c)

Add another lamp

d)

Add another lamp and a switch

80.

Which of the following materials is an electrical conductor?

a)

Silver spoon

b)

Silver-colored plastic spoon

c)

cooper spoon

d)

wooden spoon

81.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
82.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
83.
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
84.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit

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