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KS3 Science (Physics)

Total questions: 63

Worksheet time: 32mins

Name
Class
Date
1.

What is this symbol?

a)

Cell

b)

Switch

c)

Bulb

d)

2 cell battery

2.

What is this symbol?

a)

Cell

b)

Switch

c)

Bulb

d)

Resistor

3.

What is this symbol?

a)

Cell

b)

Fuse

c)

Bulb

d)

Resistor

4.

What is this symbol?

a)

Switch

b)

Fuse

c)

Bulb

d)

Resistor

5.

What is this symbol?

a)

Switch

b)

Fuse

c)

Variable resistor

d)

Resistor

6.

What is this symbol?

a)

Switch

b)

Fuse

c)

Bulb

d)

2 cell battery

7.

What is this symbol?

a)

Switch

b)

Fuse

c)

Bulb

d)

Buzzer

8.

This switch is open.

a)

True

b)

False

9.

If the switch is open in a circuit, then...

a)

...electricity will flow.

b)

....electricity will NOT flow.

10.

When the second bulb is added, they get

a)

brighter

b)

dimmer

c)

broken

d)

cold

11.

What is the measuring device shown?

a)

bulb

b)

cell

c)

ammeter

d)

voltmeter

12.

What can you say about the current in the series circuit?

a)

it splits across the components

b)

it changes constantly

c)

it is different in different places

d)

it is the same everywhere

13.

Which component provides the energy for the charges?

a)

cell

b)

bulb

c)

switch

d)

ammeter

14.

If the ammeter says the current is 5A, what is the current flowing through one bulb?

a)

2.5A

b)

10A

c)

5A

d)

0

15.

If one bulb was broken, what would happen?

a)

current would no longer flow, so everything would be off

b)

the ammeter would measure a current from the other bulb

c)

the switch would keep the current flowing

d)

the cell would burn out and catch fire

16.

What is the name of the device which measures current?

(a)  

17.

Current is measured in

a)

Volts

b)

Watts

c)

Seconds

d)

Amps

18.

If the switch was opened, what would happen?

a)

the ammeter would measure a current flowing

b)

current would no longer flow, so everything would be off

c)

the bulbs would stay on because they're connected to the cell

d)

the bulbs would burn out and catch fire

19.

Name the charged particle, which is part of an atom, that flows in a circuit

a)

proton

b)

electron

c)

neutron

d)

elepton

20.

What causes a decrease in current?

a)

adding more cells

b)

increasing resistance

c)

decreasing voltage from the supply

d)

decreasing the resistance

21.

If the current flowing through the cell is 2A, what is the ammeter reading?

a)

5A

b)

1A

c)

6A

d)

2A

22.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

23.
What is Resistance?
a)
the degree to which a circuit component opposes the passage of an electric current, causing energy dissipation
b)
How hard the energy is pushed
c)
The amount of charges that pass by a given point per second
d)
None of the above
24.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
25.
How does resistance affect current?
a)
less resistance - less current
b)
more resistance - less current
c)
more resistance - more current
d)
resistance does not affect current
26.

Which one is a series circuit?

a)
b)
c)
d)
27.

Which one is a parallel circuit?

a)
b)
c)
d)
28.

What happens to the current in a series circuit?

a)

The current stays the same

b)

The current is added

c)

The current is reduced

d)

The current is split between the light bulbs

29.

What happens to the current in a parallel circuit?

a)

The current stays the same

b)

The current is added

c)

The current is reduced

d)

The current is split between the light bulbs

30.

What happens to the voltage in a series circuit?

a)

The voltage stays the same

b)

The voltage is added

c)

The voltage is reduced

d)

The voltage is split between the light bulbs

31.

What happens to the voltage in a parallel circuit?

a)

The voltage stays the same

b)

The voltage is added

c)

The voltage is reduced

d)

The voltage is split between the light bulbs

32.

What is resistor?

a)

Electrical component that is specially made to have a specific resistance

b)

The measure of the difference in how much energy the electrons receive to move around at different points in a circuit

c)

The flow of electrical charges

d)

The movement or presence of electrons

33.

What is the unit used for voltage?

a)

Ampere

b)

Ohm

c)

Volt

d)

Meter

34.

Which type of energy is stored energy in a stretched rubber band?

a)

Chemical

b)

Elastic

c)

Kinetic

d)

Thermal

35.

The main types of energy released by a burning candle are:

a)

light and sound

b)

light and thermal

c)

thermal and chemical

d)

thermal and sound

36.

The unit of energy is

a)

coulomb

b)

degree

c)

celsius

d)

joule

37.

Which type of energy is stored in a battery?

a)

Chemical

b)

Electrical

c)

Kinetic

d)

Light

38.

Which type of energy is moving energy?

a)

Chemical

b)

Kinetic

c)

Potential

d)

Thermal

39.

Which type of energy is given out by a luminous object?

a)

Kinetic

b)

Light

c)

Potential

d)

Sound

40.

Useful energy that flows along a wire is:

a)

chemical

b)

electrical

c)

light

d)

thermal

41.

Which of the following is NOT a type of energy?

a)

Heat

b)

Potential

c)

Temperature

d)

Thermal

42.

Which type of energy is stored energy due to gravity?

a)

chemical

b)

kinetic

c)

potential

d)

thermal

43.
What is any substance than can flow and take the shape of the container that holds it
a)
pressure
b)
fluid
c)
atmospheric pressure 
d)
density
44.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
45.
In liquids, the volume stays the same no matter what shape the container is.
a)
True
b)
False
46.
In gases, the volume does stay the same when placed in different containers
a)
True
b)
False
47.
What is the amount of force per unit of area applied to an object’s surface?
a)
fluid
b)
pressure
c)
atmospheric pressure
d)
density
48.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
49.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
50.
Pressure increases when the surface area over which a force is applied increases.
a)
True
b)
False
51.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
52.
In underwater pressure, as the depth increases, so does the pressure.
a)
True
b)
False
53.
What is the equation used to calculate density?
a)
density=volume/mass
b)
density=force/area
c)
density=mass/volume
d)
density=force/volume
54.
Molecules in most solids are closer together than the molecules in liquids or gases
a)
True
b)
False
55.
Liquids and gases are considered denser than solids.
a)
True 
b)
False
56.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
57.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
58.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
59.
Look at the pressure triangle. How do we calculate the force?
a)
f ÷ a
b)
f x p
c)
p x a
d)
f ÷ p
60.
Convert 10 kg to Newtons
a)
0.098 N
b)
4.5 N
c)
100 N
d)
98 N
61.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
62.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
63.

A basketball player weighs 500 N. The area of one of his trainers is 250 cm2.

When he puts all his weight on one foot, how much pressure does he put on the ground?

a)

0.5 N/cm2

b)

2 N/cm2

c)

250 N/cm2

d)

125 000 N/cm2

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