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Worksheets

Y8 Question Bank

Total questions: 96

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Which statement about a magnet is not correct?

a)

It can attract another magnet

b)

It can attract an unmagnetised piece of iron

c)

It can repel another magnet

d)

It can repel an unmagnetised piece of iron

2.

Which statement about a permanent bar magnet is correct?

a)

It is made from a soft magnetic material

b)

It repels a non-magnetic material

c)

Its field lines cross each other where the magnetic field is strong

d)

Its N-pole repels the N-pole of another magnet

3.

A magnet is suspended by a cotton thread. The magnet is displaced then allowed to swing freely until it comes to rest. Why does the magnet always come to rest pointing in the same direction?

a)

because of the interaction between the electric field of the magnet and the

electric field of the Earth

b)

because of the interaction between the electric field of the magnet and the

magnetic field of the Earth

c)

because of the interaction between the magnetic field of the magnet and

the magnetic field of the Earth

d)

because of the interaction between the magnetic field of the magnet and

the gravitational field of the Earth

4.

A student has a bar magnet. He brings the magnet close to an object. The magnet and the object repel each other. What must the object be?

a)

another permanent magnet

b)

any magnetic material

c)

a block of wood

d)

a piece of copper

5.

A magnet attracts two pieces of iron. What is the arrangement of the induced poles in the pieces of iron?

a)
b)
c)
d)
6.

Which method is used to demagnetize a bar magnet?

a)

lower it into water

b)

heat it with a Bunsen burner

c)

place it in a metal box

d)

suspend it in a sling

7.

What are the moving particles that move to create an electrical current?

a)

Protons

b)

Neutrons

c)

Atoms

d)

Electrons

8.

What are the 3 elements on the periodic table that can be attracted by magnets or become magnetic

a)

tungsten, copper and iron

b)

iron potassium and copper

c)

iron cobalt and nickel

d)

nickel copper and sodium

9.

Is this image one of attraction or repulsion

a)

repulsion

b)

attraction

c)

need to see the other end of the bar magnets to know for sure

10.

Based on the image what must be true (2 answers)

a)

the 2 bar magnets are attracting

b)

the 2 bar magnets are repelling

c)

the ends of each bar magnet are the same

d)

the ends of each bar magnet are opposite

11.

Based on the image what must be true (2 answers)

a)

the 2 bar magnets are attracting

b)

the 2 bar magnets are repelling

c)

the ends of each bar magnet are the same

d)

the ends of each bar magnet are opposite

12.

What magnet in the pic would have the strongest repulsion?

a)

1

b)

2

c)

3

d)

4

13.

Which metal is NOT magnetic?

a)

iron

b)

cobalt

c)

nickel

d)

copper

14.

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

15.

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

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

16.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
17.
What is the charge on an electron?
a)
negative
b)
positive
c)
neutral
d)
free
18.
What happens when the same charges are close together?
a)
nothing
b)
they repel
c)
they attract
19.
What is an electric field?
a)
where electricity is grown
b)
a field designed to keep cows in
c)
the area around an object that is charged
d)
the area around a charge where it can exert a force
20.
What is transferred to and from objects that leaves the objects with a static charge?
a)
protons
b)
electrons
c)
neutrons
d)
mass
21.

When an object falls, energy is transferred.......

a)

from the kinetic to the gravitational potential store

b)

from the chemical to the kinetic store

c)

from the gravitational potential to the kinetic store

d)

from the elastic to the kinetic store

22.

Circuits transfer energy through the (a)   pathway

23.

Which of these is NOT an energy store?

a)

kinetic

b)

radiation

c)

gravitational potential

d)

chemical

24.
What type of energy is stored in food and fuel?
a)
Chemical
b)
Thermal
c)
Potential
d)
Calories
25.
When an object is moved to a higher position, what name is given to the energy it then stores?
a)
Gravitational Potential
b)
Elastic
c)
Height
d)
Kinetic
26.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
27.
a)
all bulbs are lit equally
b)
the two top bulbs are brighter
c)
the single lower bulb is brighter
d)
the single bulb does not light and the other two are dim
28.
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 is divided between the three light bulbs.
29.

What is the definition of electrical current?

a)

The opposition to the flow of electrons

b)

The rate of flow of charge

c)

The work done on each coulomb of charge

d)

Electrons moving around

30.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
31.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
32.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
33.
Does this statement best describe a parallel or a series circuit.
 
When more light bulbs are added they all remain bright. 
a)
Parallel circuit
b)
Series circuit
34.
Unit for current
a)
Ohm
b)
Ampere
c)
Volt
d)
Watt
35.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
36.

Which of these circuits is a series circuit?

a)
b)
c)
d)
37.

If there was only one, 6 Volt globe, it would be brighter...true or false?

a)

false

b)

true

38.

State which one of these circuit diagrams shows a series circuit.

a)
b)
39.

Specify when the current is the same through circuit components in a series circuit.

a)

When components have different resistance

b)

When all components have same resistance

c)

Current is always the same in series circuits

40.

In the circuit below, the battery supplies 4 V

to the light bulbs. This is a parallel circuit with two branches.

Identify the voltage across each of the light bulbs.

a)

2 V

b)

1 V

c)

6 V

d)

4 V

41.

In the circuit below, the battery supplies 18 V

to the light bulbs. This is a parallel circuit with three branches.

Identify the voltage across each of the light bulbs.

a)

9 V

b)

18 V

c)

6 V

d)

21 V

42.
What are the three options for charge?
a)
positive
b)
infinite
c)
negative
d)
neutral
e)
free
43.
What is the charge on a proton?
a)
neutral
b)
negative
c)
positive
d)
free
44.
What is the charge on an electron?
a)
negative
b)
positive
c)
neutral
d)
free
45.
What is the charge on a neutron?
a)
free
b)
neutral
c)
negative
d)
positive
46.
What happens when the same charges are close together?
a)
nothing
b)
they repel
c)
they attract
47.

What happens when opposite charges are close together?

a)

nothing

b)

they repel

c)

they attract

48.
What happens when an uncharged object and a positive object are close together?
a)
nothing
b)
they repel
c)
they attract
49.
What is an electric field?
a)
where electricity is grown
b)
a field designed to keep cows in
c)
the area around an object that is charged
d)
the area around a charge where it can exert a force
50.
How can objects gain a static charge?
a)
by being rubbed
b)
by being melted
c)
by being frozen
d)
by being heated
51.
What is transferred to and from objects that leaves the objects with a static charge?
a)
protons
b)
electrons
c)
neutrons
d)
mass
52.
If an object gains electrons, what charge does it have?
a)
neutral
b)
positive
c)
negative
53.
If an object loses electrons, what charge does it have?
a)
neutral
b)
positive
c)
negative
54.
What can a large build-up of static charge cause?
a)
an explosion
b)
a fight
c)
a spark
d)
a circus
55.

Which of these is NOT an energy store?

a)

kinetic

b)

radiation

c)

gravitational potential

d)

chemical

56.

Circuits transfer energy through the (a)   pathway

57.

When an object falls, energy is transferred.......

a)

from the kinetic to the gravitational potential store

b)

from the chemical to the kinetic store

c)

from the gravitational potential to the kinetic store

d)

from the elastic to the kinetic store

58.
What is the name for energy stored in a hot object?
a)
Thermal
b)
Potential
c)
Fire
d)
Electrical
59.
What type of energy is stored in food and fuel?
a)
Chemical
b)
Thermal
c)
Potential
d)
Calories
60.
When an object is moved to a higher position, what name is given to the energy it then stores?
a)
Gravitational Potential
b)
Elastic
c)
Height
d)
Kinetic
61.
Energy stored in petrol in a car is transferred to energy stored in a moving car. What are the names for these two energy stores?
a)
chemical and kinetic
b)
strain and kinetic
c)
chemical and electrical
d)
electrical and kinetic
62.
What are the energy transfers when a ball bounces?
a)
kinetic → heat → kinetic
b)
kinetic → sound → gravitational
c)
kinetic → elastic → kinetic
d)
elastic → kinetic → elastic
63.
When a moving car slows down, a lot of the kinetic energy is transferred by forces to a thermal energy store in the brakes.
a)
TRUE
b)
FALSE
64.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
65.
A cat is sleeping on a tree branch. What type of energy does the cat possess?
a)
kinetic energy
b)
gravitational energy
c)
elastic energy
66.
You hit the brakes on your bike. The bike slows down and the brake pads increase in temperature.
What type of energy decreased when you hit the brakes?
a)
kinetic energy
b)
gravitational energy
c)
elastic energy
d)
thermal energy
67.
In which of these cases is work being done? 
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
68.
Food has _______ potential energy that our bodies transform into kinetic energy.
a)
Elastic
b)
Nuclear 
c)
Gravitational
d)
Chemical
69.
If 100J of energy is transferred into a machine, how much is transferred out?
a)
It depends on the machine
b)
None of it
c)
100J
d)
Most of it
70.
What is the unit for measuring energy?
a)
Newton
b)
Kilogram
c)
Joule
d)
Jewel
71.
What is the name for energy stored in a hot object?
a)
Thermal
b)
Potential
c)
Fire
d)
Electrical
72.

What type of energy is in this picture?

a)

Kinetic

b)

elastic

c)

Chemical

d)

Sound

73.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
74.

A battery stores ________ energy.

a)

kinetic

b)

light

c)

electrical

d)

chemical

75.

A circuit is used to transfer energy ______________

a)

electrically

b)

mechanically

c)

by radiation

d)

by heating

76.

A force transfers energy _________________

a)

electrically

b)

mechanically

c)

by radiation

d)

by heating

77.

A light bulb transfers energy to its surroundings ________

a)

electrically & mechanically

b)

electrically & by heating

c)

by heating and by radiation

d)

mechanically & by radiation

78.

Which is the correct definition for charge?

a)

It's caused by negative protons in atoms

b)

It's caused by negative electrons in atoms

c)

It's caused by negative neutrons in atoms

79.

Current is the ____ of charge in a wire. Or in other words, current is the ____ of electrons in a wire.

(a)  

80.

What is this the circuit symbol for?

a)

bulb

b)

battery

c)

cell

d)

switch

81.

Which of the following is this the circuit symbol for?

a)

bulb

b)

switch

c)

battery

d)

cell

82.

Which of the following is this the circuit symbol for?

a)

cell

b)

battery

c)

switch

d)

wire

83.

Current is measured in ...

a)

Amps (A)

b)

Volts (V)

84.

Current is measured using an ...

a)

ammeter

b)

voltmeter

85.

Which of the following is this the circuit symbol for?

a)

closed switch

b)

open switch

c)

wire

d)

ammeter

86.

When the switch is closed, the current will

a)

flow

b)

not flow

87.
What is the best definition for mass?
a)

how much space an object takes up

b)

how much matter an object contains

c)

the force of gravity acting on an object

88.

What has more mass?

a)

an F1 car

b)

a ball

c)

an aircraft

d)

a feather

89.
Mass is measured in
a)

grams only

b)

grams and kilograms 

c)

kilograms only

d)

newtons 

90.

The astronaut floats in international space station. It proves that...

a)

His weight is less in space

b)

His mass is less in space

c)

His weight does not change

d)

His mass is more in space

91.

If an object mass =30 kg on the Earth, what would be it's weight on Earth?

a)

30 N

b)

300 kg

c)

3000N

d)

300 N

92.

If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?

a)

less than 1000 kg

b)

more than 1000 kg

c)

1000kg

93.

weight is measured in...

a)

pounds (lb)

b)

grams (g)

c)

newtons (N)

d)

kilograms (kg)

94.

What is weight?

a)

the pulling force of gravity on an object

b)

the time it takes to get on a ride

c)

the amount of matter in an object

d)

the size of an object

95.

If the weight of a body on the Earth's surface is 600 N, what would be it's weight on the Moon?

a)

600 N

b)

less than 600 N

c)

more than 600 N

96.

My weight on the Earth's surface is 500 N. What is my mass?

a)

500 kg

b)

500 g

c)

50 kg

d)

50 g

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