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WorksheetsElectricity/Magnetism/Matter
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
2.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
3.
True or False: All metals stick to magnets.
a)
True
b)
False
4.
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
5.
The AREA around a magnet where you feel a pulling force.
a)
Gravity
b)
Magnetic Field
c)
Magnetism
6.
An example of the best insulator is
a)
copper
b)
salt
c)
plastic
d)
sand
7.
An example of a good conductor is
a)
copper
b)
sand
c)
plastic
8.
The coil of current-carrying wire with an iron core is called a(n)
a)
ferromagnet
b)
electromagnet
c)
compass
d)
maglev
9.
Electromagnets are strong magnets that can be turned on and off.
a)
True
b)
False
10.
Why does opening a switch in an electric circuit stop the flow of current?
a)
Charges can't flow through a broken path.
b)
The magnetic domain is interrupted.
c)
The magnetic field disappears.
11.
To change a solid to a liquid, what do you add?
a)
heat
b)
water
c)
cold
d)
mass
12.
To change a liquid to a solid, what do you add?
a)
heat
b)
gas
c)
air
d)
cold
13.
What is happening in the statement below?
The ice cube melted.
The ice cube melted.
a)
Matter is changing from a liquid to a solid.
b)
Matter is changing from a liquid to a gas.
c)
Matter is changing from a solid to a liquid.
d)
Matter is changing from a gas to a liquid.
14.
When heat is added to a solid, it ______________.
a)
freezes
b)
evaporates
c)
melts
d)
condenses
15.
When heat is added to a liquid, it ______________.
a)
freezes
b)
evaporates
c)
melts
d)
condenses
16.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
17.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
18.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
19.
Which liquid is the most dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
20.
In order to observe this type of property, a new substance has to be created.
a)
physical properties
b)
chemical properties
c)
chemical and physical properties
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