WorksheetsNot done yet Real Test - Unit 12 - Part 2 - Magnetism
Total questions: 43
Worksheet time: 37mins
Name
Class
Date
1.
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
2.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
3.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
4.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
5.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
compass
d)
a rubber eraser
magnetic field
magnetic field
6.
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
7.
A magnet will attract scissors if the scissors contain:
a)
copper
b)
aluminum
c)
gold
d)
nickel
8.
True or False: All metals are attracted to magnet.
a)
True
b)
False
9.
Which of the following is true about a bar magnet?
a)
Its magnetic field is strongest near its center.
b)
It is surrounded by a magnetic field.
c)
The north pole is stronger than the south pole.
d)
The south pole is stronger than the north pole.
10.
A north pole and a south pole will attract.
a)
True
b)
False
11.
The space around a magnet where the force of a magnet can attract best is called__________
a)
magnetism
b)
bar magnet
c)
horseshoe magnet
d)
magnetic field
12.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
13.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
14.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
15.
The force of magnetism can go through many materials.
a)
True
b)
False
16.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
17.
What is our best evidence that Earth has a magnetic field?
a)
All things fall toward Earth's center
b)
A compass needle lines up with it
c)
Winds blow from east to west
d)
Earth's oceans all have currents
18.
A simple electromagnet can be made with which of the following?
a)
an electric current
b)
a turbine and nail
c)
a nail, a wire, and a battery
d)
a compass and a battery
19.
A coil that is magnetized only when an electric current flows through it is_______.
a)
a battery
b)
a generator
c)
a conductor
d)
an electromagnet
20.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
21.
True or False: A magnetic field is invisible.
a)
True
b)
False
22.
The planet earth is a giant magnet?
a)
True
b)
False
23.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
24.
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.
25.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
26.
What is an electromagnet?
a)
a temporary magnet made from current carrying wire around a magnetic metal core.
b)
a permanent magnet with a north and south pole
27.
The relationship between electricity and magnetism is called
a)
electrical energy.
b)
induced current.
c)
electromagnetism.
d)
ferromagnetism.
28.
Which of the following is NOT magnetic?
a)
zinc
b)
iron
c)
cobalt
d)
nickel
29.
________ is an object that attracts certain materials such as iron.
a)
Nickel
b)
Magnets
c)
Metal
d)
Plastic
30.
A solenoid is a coil of wire with ____________ flowing through it.
a)
Heat
b)
Electric Current
c)
Static Electricity
d)
Conductors
31.
An electromagnet is stronger if there are more turns in the coil of _______.
A. Wire
B. Iron
C. Cobalt
D. Nickel
A. Wire
B. Iron
C. Cobalt
D. Nickel
a)
Wire
b)
Iron
c)
Cobalt
d)
Nickel
32.
The regions where the north and south poles of atoms are all lined up in the same direction are called __________.
a)
Magnetic Domains
b)
Magnetic Poles
c)
Magnetic Force
d)
Magnets
33.
This is called an __________________.
a)
bomb
b)
circuit
c)
electromagnet
d)
coil
34.
You can make an electromagnet stronger by: having a __________________ current in the wire
a)
smaller
b)
larger
c)
greener
d)
water
35.
Electric motors are devices that convert _____ energy into _____ energy.
a)
electrical; mechanical
b)
mechanical; electrical
c)
chemical; potential
d)
mechanical; kinetic
36.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
37.
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
38.
In order for electricity to flow, it must follow a(n) ___________path.
a)
Open
b)
Closed
39.
Emma wants to investigate how electricity flows through a circuit. She gathers three pieces of wire, a battery, a light bulb, and a metal switch. First she puts on her safety gloves. Then she uses the wires to fasten together the battery, the light bulb, and the switch. The drawing shows the circuit that Emma makes.
When Emma turns the switch on, the light bulb lights up. If Emma replaces the metal switch with one made of plastic, what will happen when she turns the switch on?
a)
That will close the circuit and the bulb will come on,
b)
The circuit will stay open and the bulb will not come on.
c)
That will close the circuit and the bulb will not come on.
d)
The circuit will stay open and the bulb will come on.
40.
What type of circuit is shown?
a)
Parallel Circuit
b)
Series Circuit
41.
What type of circuit is shown?
a)
Parallel Circuit
b)
Series Circuit
42.
A magnet that is only magnetic when in contact with another magnet or an electric current.
a)
permanent magnet
b)
temporary magnet
c)
a stinky magnet
43.
If you break a magnet in 1/2, each half will have a N & S pole
a)
True
b)
False
100 %
