wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Year 9 physics

Total questions: 50

Worksheet time: 42mins

Name
Class
Date
1.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed

c)

Energy can't be created, destroyed or transformed

d)

Energy cannot be created or destroyed.

2.

What kind of energy does an object possess when it's resting on top of the hill?

a)

Potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

All of the above

3.

A kettle uses 100J of electrical energy to produce 7J of sound energy and 93J of thermal energy. How efficient is the kettle?

a)

100%

b)

7%

c)

93%

d)

95%

4.

A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?

a)

5%

b)

50%

c)

55%

d)

100%

5.

Total energy = 200J
Useful energy = 20J

Workout the efficiency of this lightbulb.
efficiency = useful enegytotal energy in ×100efficiency\ =\ \frac{useful\ enegy}{total\ energy\ in}\ \times100  

a)

100%

b)

80%

c)

40%

d)

10%

6.

An iPhone charger coverts 75J of electricty in to 50J of charge and 25J of thermal energy. How efficient is the charger?

a)

10%

b)

100%

c)

33%

d)

67%

7.
What is an energy transfer?
a)
Dancing 
b)
Movement of energy
c)
Movement of energy from one store to another
d)
something moving
8.
Where does most of the energy go for this transformation.
a)
heat
b)
electrical
c)
light
d)
joules
9.

What is this diagram called?

a)

Stankey Diagram

b)

Sankey Diagram

c)

Sankay Diagram

d)

Samkay Diagram

10.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
11.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
12.

What is the work output of a machine that has a work input of 2,800 Joules and an efficiency of 90%?

a)

25200 J

b)

2520 J

c)

0.0082J

13.
What gas is increasing in large amounts due to human activities?
a)
BP
b)
carbon dioxide
c)
oxygen
d)
diesel
14.
Coal, oil and natural gas are forms of .......
a)
Dinosaurs
b)
things
c)
Donald Trump
d)
fossil fuels
15.
Why is solar energy considered renewable energy?
a)
It's cheaper than fossil fuels
b)
The sun's energy would not run out for billions of years
c)
Solar energy recharges batteries
d)
All of them
16.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

17.
_____________ power is electricity produced by flowing water.
a)
Solar 
b)
Wind 
c)
Hydroelectric 
d)
water
18.
Wind Energy is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
19.

The energy we use to function in our everyday lives can be classified as...

a)

Renewable or non-renewable

b)

Natural or non-renewable

c)

Renewable and Natural

d)

All of them

20.
Why is solar energy considered renewable energy?
a)
It's cheaper than fossil fuels
b)
The sun's energy would not run out for billions of years
c)
Solar energy recharges batteries
d)
All of them
21.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

22.
_____________ power is electricity produced by flowing water.
a)
Solar 
b)
Wind 
c)
Hydroelectric 
d)
water
23.
Wind Energy is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
24.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal
25.
Heat transferred from beneath the surface of Earth and used to produce energy for human use is...
a)
Hydropower
b)
Wind Energy
c)
Geothermal Energy
d)
Solar Energy
26.

All of the following are considered renewable energy sources EXCEPT –

a)

Wind

b)

Coal

c)

Biomass

d)

Solar

27.
Oil is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
28.

What percentage of energy used in the U.S. comes from renewable energy?

a)

5%

b)

10%

c)

50%

d)

80%

29.

Energy created from wood, peat moss, and manure is called __________________ energy.

a)

biomass

b)

geothermal

c)

natural

d)

solar

30.

Plant materials and animal waste used especially as a source of fuel.

a)

BIODEGRADABLE

b)

BIOMASS

c)

REDUCE

d)

RECYCLABLE

31.

Which type of energy produces Carbon Dioxide, which can be harmful to our planet and cause pollution?

a)

Solar Energy

b)

Wind Energy

c)

Fossil Fuels (Coal, oil, and gas)

d)

Nuclear Energy

32.
Which energy uses water held behind a dam?
a)
Geothermal
b)
Hydroelectric
c)
Nuclear
d)
Solar
33.
What is a disadvantage of wind power?
a)
We have too many rainy days in US
b)
It is not always windy in some places
c)
Companies charge too much to make the wind blow
d)
The sun is not always out
34.
Which of the following is not a type of fossil fuel? 
a)
Coal
b)
Light
c)
Petroleum
d)
Natural Gas
35.
What are fossil fuels?
a)
Dinosaur bones
b)
Resources made from once living organisms 
c)
Combination of different rocks
d)
Gas Stations
36.
How does petroleum form
a)
build up of layers of trees and leaves
b)
build up of once-living aquatic organisms underneath pressure and heat. 
c)
Build up of different rocks
d)
It's formed from gasses in the air
37.
Why is burning fossil fuels harmful? 
a)
then we won't have any fossil fuels if we burn them all
b)
They can get extremely hot
c)
Increases the amount of greenhouse gases in the air
d)
this would destroy fossils
38.
What is a greenhouse gas?
a)
a gas created from a plant
b)
gas that causes the atmosphere to get warmer
c)
a green colored gas
d)
a gas that kills you right away
39.
Which greenhouse gas is produced most by the automobile industry? 
a)
Hydrogen
b)
Sulfur
c)
Methane
d)
Carbon Dioxide
40.
Uses Uranium
a)
Hydroelectric
b)
Nuclear
c)
Oil
d)
Geothermal
41.
Energy transfer when coal is burnt in a coal power station
a)
Kinetic --> heat
b)
Heat --> chemical
c)
Chemical --> Heat
d)
Electric --> Light
42.

In a thermal power station, the place where the fossil fuels are burnt is called the...

a)

generator

b)

turbine

c)

condenser

d)

furnace

43.

What do we call the device which produces electricity in a power station?

a)

turbine

b)

condenser

c)

generator

d)

transformer

44.

What turns the turbine in a thermal power station?

a)

hamsters

b)

water

c)

air

d)

steam

45.

Why are we trying to use fossil fuelled power stations less?

a)

Gases produced are bad for the environment

b)

It is an expensive way of making electricity

c)

Fossil fuels are running out

d)

Its not very sunny in Wales

46.

Which of these might spin a generator at a power plant to produce electricity?

a)

wind

b)

water

c)

steam from burning coal

d)

all of these

47.

In a thermal power plant, coal, oil, natural gas or uranium are used to heat what?

a)

water

b)

oil

c)

air

d)

the turbine

48.

National Grid Network consists of

a)

Power stations - step-up transformers - transmission lines - step-down transformers - consumers

b)

Power stations - transmission lines - step-up transformers - consumers - step-down transformers

c)

Power stations - step-down transformers - transmission lines -step-up transformers - consumers

d)

Power stations - step-up transformers - consumers - transmission lines - step-down transformers

49.

Total energy = 34000J
Useful energy = 340J

Workout the efficiency of this vintage VW Beetle.
efficiency = useful energytotal energy in ×100%efficiency\ =\ \frac{useful\ energy}{total\ energy\ in}\ \times100\%  

a)

100%

b)

10%

c)

40%

d)

20%

50.

This car needs 8600J of energy to power it. If 5000J is changed into useful energy, how much energy is wasted?

a)

13600J

b)

3600J

c)

5000J

d)

8600J

Similar Resources on Wayground

Tectonic Plates Review

52 questions

Tectonic Plates Review

quiz

Worksheet

•

8th Grade

Using the Periodic Table Study Guide

50 questions

Using the Periodic Table Study Guide

quiz

Worksheet

•

9th Grade

Winter break home work-Grade 2-EVS

50 questions

Winter break home work-Grade 2-EVS

quiz

Worksheet

•

KG - Professional Dev...

Peperiksaan Sains Tingkatan 3

50 questions

Peperiksaan Sains Tingkatan 3

quiz

Worksheet

•

1st Grade - University

Year 10 revision quiz

50 questions

Year 10 revision quiz

quiz

Worksheet

•

10th Grade

E Lent Block Test Revision

45 questions

E Lent Block Test Revision

quiz

Worksheet

•

8th Grade

Respiration

50 questions

Respiration

quiz

Worksheet

•

5th - 9th Grade

Physics Quiz - Units, Vectors, Motion in 1D

47 questions

Physics Quiz - Units, Vectors, Motion in 1D

quiz

Worksheet

•

9th Grade