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Magnetism and Electricity

Total questions: 28

Worksheet time: 2hrs 7mins

Name
Class
Date
1.
For electrical energy to flow, there must be a(n) ______.
a)
good battery
b)
copper wire
c)
on/off switch
d)
closed circuit
2.

wood is a _____?

a)

conductor

b)

insulator

3.

water is a______?

a)

conductor

b)

insulator

4.
What is a circuit?
a)
an outlet or switch
b)
a path which an electric current flows
c)
a poor conductor
5.
What is an electric current? 
a)
the flow of electricity 
b)
electricity moving in only one direction
c)
a switch that gives power
6.
What is a switch? 
a)
part of the toaster that you plug into the wall
b)
an outlet that gives power
c)
part of a circuit that starts or stops the electricity
7.
A conductor is ____________
a)
something that allows electric current to flow easily
b)
something that limits the flow of electricity
8.

This is a _____

a)

Open circuit

b)

Closed Circuit

c)

The worlds first game

d)

None of these

9.

The tiny coiled metal wire present inside the bulb is called ___

a)

Element

b)

Conductor

c)

Filament

d)

None of these

10.

_____ is an electric device which easily closes or opens an electric circuit.

a)

Filament

b)

Electric bulb

c)

Electric switch

d)

Electric cell

11.
A __________ is good at conducting electricity
a)
conductor
b)
resistor
c)
circuit
12.

A material which does not allow the electricity to pass through it is _____

a)

Conductor

b)

Electric cell

c)

Insulator

d)

None of these

13.

When all parts of the circuit are connected it is a ______ circuit.

a)

Open

b)

Closed

14.

When you flip a light switch on and off you are closing and opening a circuit.

a)

True

b)

False

15.

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

16.

A material which allows the electricity to pass through it is __

a)

Conductor

b)

Insulator

c)

Transistor

d)

None of these

17.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
18.
True or False: All metals are attracted to magnet.
a)
True
b)
False
19.
How is a permanent magnet DIFFERENT from a temporary magnet?
a)
A permanent magnet attracts materials made of iron.
b)
A permanent magnet has poles.
c)
A permanent magnet has a magnetic field.
d)
A permanent magnet keeps its magnetism for a long time.
20.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
21.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
22.
A magnet will pick up a nail, but not a penny because the nail
a)
has rust on it.
b)
is lighter than the penny.
c)
has a sharp point.
d)
contains iron.
23.
Magnets will stick to refrigerator doors because the doors are 
a)
Painted with plastic.
b)
Made of metal.
c)
Easy to open. 
d)
Heavy.
24.
Which of these can move a nail lying on the table without touching the nail?
a)
A magnet
b)
String
c)
A wire
d)
A ruler
25.
Which is NOT a use of magnets?
a)
Generating electricity
b)
Holding cabinet doors closed
c)
Sorting paper from plastic
d)
Storing information on computer hard drives.
26.
Magnets attract things made of
a)
copper
b)
iron
c)
wood
d)
plastic
27.
All magnets have 2
a)
fields
b)
colors
c)
poles
d)
all of the above
28.
The two poles on a magnet are
a)
north and east
b)
north and west
c)
south and north
d)
south and west

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