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Worksheets

Year 8 - Energy revision

Total questions: 138

Worksheet time: 3hrs 38mins

Name
Class
Date
1.

In the picture,what cause the Pinata to break?

a)

the shape of Piñata

b)

the energy of motion

c)

the color of Piñata

d)

the energy of excitement

2.

Energy is the ability to do ______ and cause _________.

a)

Work and cause Change

b)

Change and cause Work

3.

What form of energy caused the bread to bake?

a)

Electrical

b)

Light

c)

Sound

d)

Thermal

4.

Match the following forms of energy.

a)
1.

Sound

b)
2.

Electric

c)
3.

Mechanical

d)
4.

Thermal

5.

Micheal was at the gym and he was trying to lift the weights, but he could not lift it. Finally Micheal decided to go home. The next day he complained to the trainer that he did all that hard work for nothing! The trainer asked the other trainers "did he really do any work?"

Michelle: "Yes, because Micheal was tired"

Jose: "No, because Micheal transformed his energy into nothing."

Emily: No, Because Micheal pulled and pushed but the weight did not move."

Who was right?

a)

Michelle

b)

Jose

c)

Emily

6.

The person in the picture threw a ball. The energy was ____

a)

transformed from motion to motion

b)

created by the human

c)

created inside the ball

d)

transferred from the human to the ball

7.

The person in the picture is listening to sound made by someone talking. This is evidence that energy can be

a)

Transferred from place to place

b)

Transferred through contact between objects

c)

Transformed from sound to work

d)

First created and then destroyed.

8.

What energy takes place when you use a fan?

a)

Electical to Mechanical, Sound, and Thermal

b)

Mechanical to Electrical, Sound, and Thermal

c)

Electrical to Sound and Radiant

d)

Radiant to Sound and Electrical

9.

Students built a solar oven using the basic design shown in the picture. To cook the marshmallows slowly the solar ovens capture energy from the Sun.

Each group used a different type of materials to build their ovens. After 1 hour in the sunlight, the teams measured the temperature of each oven. What a was the independent variable in this experiment?

a)

The different type of material

b)

The type of energy to cook the Marshmallows

c)

The time in the sunlight

d)

The design of the solar oven

10.

Which of the following is an example of the law of conservation of energy?

a)

Your mom turns on the stove to cook food

b)

You play an instrument in Strings class

c)

A football player throws the ball

d)

All of the above answers.

11.
a)

light and thermal energy

b)

Electrical energy is transformed into light and thermal energy.

c)

Light energy is being created

d)

Electric energy is being destroyed

12.

In the evening/night, Anthony used a flashlight to go on a walk with his family. Sadly, he forgot to turn the flashlight off. In the morning, his father said, "The flashlight has a dead battery now. We need to replace it."

This means the energy that was stored in the battery -

a)

Disappered into nowhere

b)

Was destrogy

c)

Was changed into other forms of energy

d)

Was used to create a new forms of energy

13.

Select which order the words goes into the blanks.

Energy can not be _____ or destroyed. Energy can only be ________

a)

Created and Transformed

b)

Transformed and Created

14.

1. Which form of energy does a moving object possess?

a)

light energy

b)

sound energy

c)

mechanical energy

d)

chemical energy

15.

6. Which of the following shows that electrical energy is changed to light energy?

a)

hot iron

b)

lighted fluorescent bulb

c)

switching on the radio

d)

a boy running after drinking water

16.

8. How does energy transform when strumming a guitar?

a)

electrical energy to light energy

b)

chemical energy to light energy

c)

chemical energy to sound energy

d)

mechanical energy to sound energy

17.

Which is an example of radiant or light energy?

a)

A book on a desk

b)

Someone eating a meal

c)

A dog

d)

The Sun

18.

Energy is...

a)

the temperature outside.

b)

when something moves.

c)

the ability to do work

d)

does not exist in our daily lives.

19.

Which of the following is an example of kinetic energy?

a)

holding a ball

b)

a ball rolling down a hill

c)

stretching a rubber band

20.

what is an example of potential energy?

a)

holding a ball at the top of a hill

b)

a ball rolling down a hill

c)

going up a hill

21.

A bow and arrow would have what kind of potential energy?

a)

Elastic

b)

Gravitational

22.

What type of energy is a parked car an example of?

a)

kinetic

b)

potential

23.

a river flowing?

a)

kinetic

b)

potential

24.

a satellite in orbit?

a)

kinetic

b)

potential

25.

a plane in flight

a)

kinetic

b)

potential

26.

sitting on a couch watching a movie?

a)

kinetic

b)

potential

27.

a baby riding in a stroller?

a)

kinetic

b)

potential

28.

The stroller the baby is riding in?

a)

kinetic

b)

potential

29.

Thermal Energy

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

30.

Temperature

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

31.

Heat

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

32.

Conduction

a)

The transfer of energy by electromagnetic waves.

b)

A circular motion of air that causes wind and changes in weather

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

33.

Convection

a)

The transfer of energy by electromagnetic waves.

b)

A circular motion of air that causes wind and changes in weather

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

34.

Convection Current

a)

A circular motion of air that causes wind and changes in weather

b)

The transfer of energy by electromagnetic waves.

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

35.

Radiation

a)

A circular motion of air that causes wind and changes in weather

b)

The transfer of energy by electromagnetic waves.

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

36.

Conductor

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

37.

Specific Heat

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

38.

Insulators

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

39.

Thermal Expansion

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

40.
Which form of energy is mostly produced in this conversion?
a)
Electrical
b)
Mechanical
c)
Thermal
d)
Sound
41.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

42.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

43.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

44.

Identify the energy transfer

a)

light to electrical to chemical

b)

chemical to electrical to light

c)

electrical to chemical to light

d)

chemical to electrical to solar

45.

Identify the energy transfer

a)

chemical to light

b)

thermal to electrical

c)

chemical to heat

d)

electrical to thermal

46.

Plants need the sun for _____________________ energy.

a)

Light / Radiant

b)

Sound

c)

Chemical

d)

Electrical

47.

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

a)

thermal to electrical

b)

mechanical to thermal

c)

electrical to thermal

d)

electrical to sound

48.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

49.

What type of energy is stored in batteries or food?

a)

Potential energy

b)

Thermal energy

c)

Chemical energy

d)

Mechanical energy

50.
According to the Law of Conservation of Energy...
a)
energy changes form
b)
energy can be created and destroyed
c)
energy flows from one material to the next
d)
energy cannot be created or destroyed
51.

What energy transformation occurs when an alarm clock rings?

a)

electrical to mechanical, sound

b)

chemical to mechanical,sound

c)

electrical to thermal, chemical

d)

mechanical to mechanical, thermal, sound

52.

What are the energy transformations that occur when a person rides a bike to the top of a hill?

a)

mechanical, thermal,

b)

chemical, mechanical, thermal, electrical

c)

chemical, mechanical, thermal, electrical, radiant

d)

chemical, mechanical, thermal

53.

List the energy transformations of this object.

a)

Electrical → Mechanical/ Radiant Energy

b)

Electrical → Mechanical / Sound / Thermal Energy

c)

Mechanical → Chemical / Thermal energy

d)

Mechanical→ Electrical energy

54.
Which type of energy does the battery produce?
a)
sound
b)
light
c)
mechanical
d)
electrical
55.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
56.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
57.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
58.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
59.

The glow sticks produce light for a short amount of time. The light from the glow stick is from ____________.

a)

heat energy

b)

gravity

c)

magnetism

d)

chemical energy

60.
Which of the following is NOT a form of energy?
a)
Sound
b)
Electricity
c)
Speed
d)
Kinetic
61.
What machine changes electrical energy into light and sound energy
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
62.
Which type of energy does the battery produce?
a)
sound
b)
light
c)
mechanical
d)
electrical
63.
Electrical Energy is:
a)
energy caused by the vibrations of an object
b)
energy caused by changes in the nucleus of an atom
c)
energy of moving electrons
d)
energy caused by heat
64.
Patty lifts a plate into a kitchen cabinet to put it away.  What type of energy is store in the plate as it sits in the cabinet?
a)
1. kinetic energy
b)
2. solar energy
c)
3. sound energy
d)
4. potential energy
65.
Is it possible for energy to transform into a new kind of energy? (2.4B) 
a)
yes
b)
no 
66.
Kinetic Energy is energy of motion
a)
True
b)
False
67.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
68.
When a pendulum swings, at which point is kinetic energy highest: 
a)
1
b)
2
c)
3
d)
4
69.
The ability to do work is....
a)
work
b)
power
c)
acceleration
d)
energy
70.
Friction causes energy to be transformed from KE to what?
a)
PGE
b)
chemical
c)
thermal
d)
elastic
71.
The Law of Conservation of Energy states that...
a)
energy can be destroyed
b)
energy can not be created or destroyed
c)
energy can only be destroyed using the force
72.
In old, incandescent light bulbs about 95% of the energy was wasted and only 5% was used to produce light.  What energy saving alternative do we have now that is much more efficient?
a)
Halogen bulbs
b)
LED bulbs
c)
Black lights
73.
Which of the following is true about a blow dryer?
a)
Electrical energy is transformed into thermal energy.
b)
Mechanical energy is transformed into thermal energy and sound energy.
c)
Electrical energy is transformed into mechanical, thermal, and sound energy
d)
Mechanical, thermal and sound energy are transformed into electrical energy.
74.
What is the energy transfer in this circuit?
a)
Electrical energy to sound energy to thermal energy
b)
thermal energy to light energy to electrical energy
c)
mechanical energy to light energy to thermal energy
d)
electrical energy to light energy to thermal energy
75.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
76.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
77.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
78.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
79.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
80.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
81.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
82.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
83.

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

a)

mechanical to heat

b)

sound to mechanical

c)

potential to kinetic

d)

kinetic to potential

84.

A ball is projected into the air. Where is potential energy the greatest?

a)
b)
c)
d)
85.

How does the mass of a bowling ball that has been rolled down the lane affect the kinetic energy?

a)

The kinetic energy does not depend on the mass of the bowling ball.

b)

The kinetic energy is increasing proportional to the mass of the bowling ball.

c)

The kinetic energy is decreasing proportional to the mass of the bowling ball.

d)

The kinetic energy is increasing proportional to the square of the mass of the bowling ball.

86.

Which point on the roller coaster's path represents the maximum potential energy?

a)
b)
c)
d)
87.

As a roller coaster goes downhill

a)

kinetic energy is converted into potential energy.

b)

potential energy is converted into kinetic energy.

c)

electrical energy is converted into potential energy.

d)

potential energy is converted into electrical energy.

88.

When gasoline is burned in a car engine, ________ energy is converted into _________ energy.

a)

heat, chemical

b)

chemical, potential

c)

mechanical, chemical

d)

chemical, mechanical

89.

Which diagram BEST represents a convection heating current?

a)
b)
c)
d)
90.

Within the alarm clock seen here, energy is transformed. It is time to get up! The alarm clock goes off. What are the energy transformations taking place in your alarm clock?

a)

electrical to magnetic to sound

b)

electrical to mechanical to sound

c)

electrical to mechanical to light

d)

chemical to electrical to mechanical

91.

Muscles convert chemical energy into

a)

light energy.

b)

nuclear energy.

c)

mechanical energy.

d)

electromagnetic energy.

92.

What form of energy does a compressed spring have?

a)

heat energy

b)

kinetic energy

c)

chemical energy

d)

potential energy

93.

Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into

a)

electrical energy.

b)

mechanical motion.

c)

heat and light energy.

d)

electrical and heat energy.

94.

Conduction occurs more easily between solids and liquids. This is because the particles in gases are

a)

farther apart and move faster.

b)

closer together and move faster.

c)

further apart and move more slowly.

d)

closer together and move more slowly.

95.

Energy is transferred in solids by conduction, which means that

a)

heat travels in both directions.

b)

heat travels from the cooler object to the hotter object.

c)

heat travels from the hotter object to the cooler object.

d)

heat does not travel between objects of different temperatures.

96.

Marina is using a metal spoon to stir her soup. Why does the spoon feel warm?

a)

Stirring creates heat energy in the spoon.

b)

Marina’s hand warms the spoon she is holding.

c)

Heat energy from the soup is transferred to the spoon.

d)

Heat energy from the spoon is transferred to the soup.

97.

The light bulb converts electrical energy into light and _________.

a)

chemical

b)

electromagnetic

c)

heat

d)

nuclear

98.

Which image exclusively represents the principle of radiation?

a)

IV

b)

III

c)

II

d)

I

99.

A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

a)

potential energy; mechanical energy

b)

elastic potential energy; kinetic energy

c)

gravitational potential energy; kinetic energy

d)

elastic kinetic energy; mechanical kinetic energy

100.

How would you describe the relationship between the mass of a car and its kinetic energy?

a)

As the mass of a car increases, its kinetic energy increases.

b)

As the mass of a car increases, its kinetic energy decreases.

c)

As the mass of a car decreases, its kinetic energy increases.

d)

There is no clear relationship between mass and kinetic energy.

101.

In the figure, potential energy is being converted into kinetic energy from

a)

point A to point B

b)

point B to point C

c)

The only energy involved here is kinetic.

d)

Energy is not being converted.

102.

A pole vaulter runs forward, plants his pole, rises in the air and lands. What point represents his greatest amount of gravitational potential energy?

a)

when he initially lands

b)

as he runs forward to plant the pole

c)

just before he starts to fall to the ground

d)

after take-off as the pole expands and lifts the vaulter toward the bar

103.
No machine in existence has 100% efficiency due to ____________________.
a)
magic
b)
friction
c)
smoke
d)
input
104.
What is the efficiency of a machine if 55.3 J of work are done on the machine, but only 14.3 J or work are done by the machine?
a)
0.25 Joules
b)
26%
c)
3.86 Joules
d)
386%
105.

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%

106.

Total energy = 350J
Useful energy = 70J

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

a)

100%

b)

80%

c)

40%

d)

20%

107.

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%

108.

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

109.

A car transfers 100 J of chemical energy in order to gain 50 J of kinetic energy. The efficiency of the car is

a)

20%

b)

0.5%

c)

50%

d)

200%

110.

Which of these equations is correct?

a)

efficiency = useful energy transferredtotal energy transferredefficiency\ =\ \frac{useful\ energy\ transferred}{total\ energy\ transferred}  

b)

efficiency = total energy transferreduseful energy transferredefficiency\ =\ \frac{total\ energy\ transferred}{useful\ energy\ transferred}  

c)

energy = efficiency ×100%energy\ =\ efficiency\ \times100\%  

d)

efficiency = wasted energy transferredtotal energy tranferredefficiency\ =\ \frac{wasted\ energy\ transferred}{total\ energy\ tranferred}  

111.
What is the efficiency of a machine if 55.3 J of work are done on the machine, but only 14.3 J is produced by the 1machine?
a)
0.25 J
b)
26%
c)
386%
d)
3.86 J
112.
What is the efficiency of the machine if the input is 263 J and the output is 142 J? 
a)
6.26%
b)
54%
c)
100%
d)
260%
113.
What is the efficiency of a machine that has work input of 40 joules and work output of 35 joules?
a)
87.50%
b)
1200
c)
1.142
d)
114%
114.
What is the work output of a machine that has a work input of 2,800 Joules and an efficiency of 92.3%? 
a)
2,690J
b)
92.3J
c)
0.0082J
d)
2,584.4
115.

What is the useful work output of a machine that consumes 2,800 Joules and an efficiency of 40%?

a)

7000 J

b)

2760 J

c)

1120 J

116.
Lucas has been challenged to increase the efficiency of a device he is redesigning. His goal is 90% efficiency. The work input of the device is fixed at 10 joules, so Lucas is trying to improve work output. How many joules of work output should Lucas aim for to attain his goal of 90% efficiency?
a)
9 Joules
b)
900 Joules
c)
0.9 Joules
d)
25 
117.

What percent energy is wasted by a machine if the energy input is 262 J and the energy output is 131 J?

a)

5%

b)

50%

c)

100 J

118.

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

119.

Do renewable energy sources run out?

a)

Yes

b)

No

120.

Natural Gas is a __________ energy resource.

a)

Renewable

b)

Non Renewable

121.

Solar Power is a __________ energy resource.

a)

Renewable

b)

Non Renewable

122.

 __________ is an energy resource that will run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Fossil Fuels

c)

Non Renewable Energy Resource

d)

Forever Fuels

123.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Fossil Fuel

c)

Nonrenewable Energy Resource

d)

Forever Fuel

124.

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

a)

They are being formed as a type of methane which we cannot use.

b)

The fossil fuels are being broken down by a natural process.

c)

They are being formed too far beneath the surface.

d)

We are depleting the fossil fuels much faster than they can form.

125.

Type of energy that comes from the movement of the air.

a)

Solar Energy

b)

Geothermal Energy

c)

Hydroelectric Energy

d)

Wind Energy

126.

Type of energy that is generated from the heat stored in the Earth.

a)

Tidal Wave Energy

b)

Geothermal Energy

c)

Hydraulic Energy

d)

Solar Energy

127.

Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?

a)

They can never be replaced.

b)

They can be recycled.

c)

They cannot be easily replaced.

d)

They can be made in factories.

128.

 

Which example describes the use of a nonrenewable energy resource?

a)

Gasoline is used to fuel a car.

b)

Water is released through a dam.

c)

Sunlight is used to heat a home.

d)

Wind turbines spin to generate electricity.

129.
Energy resources cannot be replaced once they are all used up e.g. coal, oil are known as…
a)
Non - renewable energy
b)
Renewable energy
c)
Water security
d)
Irrigation
e)
Food Miles
130.
Energy resources that can be re-placed , and will not run out e.g. wind, solar are known as…
a)
Renewable energy
b)
Fossil Fuels
c)
Food security
d)
Food Miles
e)
Irrigation
131.

Select the non-renewable energy sources from the list.

a)

Coal

b)

Wind power

c)

Gas

d)

Oil

e)

Solar

132.

Select the renewable sources of energy.

a)

Hydro-electric power

b)

Solar power

c)

Nuclear power

d)

Wind power

e)

Tidal power

133.

Over half the UK's electricity comes from:

a)

renewable energy sources.

b)

non-renewable energy sources.

134.

The UK uses less energy than in the 1970s because:

a)

people have fewer electronic devices

b)

manufacturing industry has declined

c)

electrical appliances (things you plug in) are more efficient and use less energy.

d)

people drive cars less.

135.

Renewable energy sources like wind and solar energy produce no carbon dioxide.

a)

True

b)

False

136.
Coal, oil and natural gas; called _________ because they are the remains of plants and animals that lived millions of years ago.
a)
Fossil Fuels
b)
Food security
c)
Food Miles
d)
Irrigation
e)
Carbon fooprint
137.

The average weather conditions for a place is known as…

(a)  

138.
Artificially watering the land or soil is known as…
a)
Fossil Fuels
b)
Food security
c)
Food Miles
d)
Irrigation
e)
Carbon fooprint

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