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Reducing Energy Waste

This worksheet describes the different types of energy that are used in the world. It distinguishes between renewable and non-renewable and introduces the subject of sustainability.

'Reducing Energy Waste' worksheet

Key stage:  KS 3

Curriculum topic:  Physics: Energy

Curriculum subtopic:  Calculation of Fuel Uses and Costs

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

All activities in the world require energy. From human movement to warming our houses and keeping cars or public transport, energy is used widely. We access energy through the use of energy resources, such as fossil fuels (coal, oil and natural gas). These are non-renewable energy resources. This means they will run out one day. The use of these resources also contributes to global warming, which could lead to scary consequences such as flooding, drought and starvation.

Therefore, sustainability is necessary in order to prevent harming the environment and running out of fuel. The solution is to reduce the amount of fossil fuels we use and switch to alternative and renewable energy sources.

 

Top tips for reducing fossil fuel use in your household:

  • Microwave vegetables instead of boiling them
  • Use heat insulation and double glazing to prevent heat escaping
  • Dress warmer at home, so you can keep heating at a lower temperature
  • Use public transport instead of using your car, especially for small distances
  • Switch to a diesel engine car
  • Switch to an electric or biofuel car
  • Use solar panels and electrical items with solar cells 

 

Alternative and renewable energy resources:

  • Biomass fuel or biofuel (fuel made from plant or animal waste), for example cow dung, sewage, wood and rubbish, produces methane gas, which is the same as natural gas. Renewable
  • Uranium gives off large amounts of radiation, which is used in nuclear power stations to generate electricity. Non-renewable
  • Wind turbines are used to generate electricity from the wind. Renewable
  • Waves and tides are also used in hydroelectric power stations to generate electricity. Renewable
  • Solar power is made from sunlight
  • Geothermal power is made from pumping water through hot underground rocks

 

 

What type of fuels are coal, oil and natural gas?

Write two words.

What does non-renewable mean?

It will last forever

It will run out eventually

It is expensive

It is widely used

Is this statement true or false?

Global warming is responsible for ice melting at the North Pole.

true

false

Complete this sentence.

Sustainability involves taking care of how we use energy and switch to ______________ energy resources.

Tick TWO of the following statements which are ways of reducing energy waste at home.

use roof insulation

clean regularly

use solar panels

turn heating to the maximum

Complete this sentence.

Another name for natural gas is ______________ gas.

Is this statement true or false?

Biofuel is also called thermal fuel.

true

false

Tick the non-renewable source of energy.

solar

geothermal

nuclear

hydroelectric

What type of alternative source of energy is made in the image below?

Write one word.

 

Pick a disadvantage of solar power from the options below.

it is renewable

it is cheap

it is too hot

it is not available at night

  • Question 1

What type of fuels are coal, oil and natural gas?

Write two words.

CORRECT ANSWER
fossil fuels
EDDIE SAYS
They are called fossil fuels, because they have been created by the remains of animals and plants that lived thousands millions of years ago.
  • Question 2

What does non-renewable mean?

CORRECT ANSWER
It will run out eventually
EDDIE SAYS
Breaking down the word helps us see that it means that something will not be renewed.
  • Question 3

Is this statement true or false?

Global warming is responsible for ice melting at the North Pole.

CORRECT ANSWER
true
EDDIE SAYS
As the Earth's temperature rises, ice at the poles - including the North Pole - melt faster than before.
  • Question 4

Complete this sentence.

Sustainability involves taking care of how we use energy and switch to ______________ energy resources.

CORRECT ANSWER
renewable
EDDIE SAYS
Using renewable energy resources would help us take advantage of the resources around us, which do not take long to be created, unlike fossil fuels.
  • Question 5

Tick TWO of the following statements which are ways of reducing energy waste at home.

CORRECT ANSWER
use roof insulation
use solar panels
EDDIE SAYS
Roof insulation helps preventing heat to escape and solar panels save fossil fuels (which cause pollution) by taking advantage of energy from the sun.
  • Question 6

Complete this sentence.

Another name for natural gas is ______________ gas.

CORRECT ANSWER
methane
EDDIE SAYS
This is the scientific name of natural gas.
  • Question 7

Is this statement true or false?

Biofuel is also called thermal fuel.

CORRECT ANSWER
false
EDDIE SAYS
Biofuel is made from animal and plant waste.
  • Question 8

Tick the non-renewable source of energy.

CORRECT ANSWER
nuclear
EDDIE SAYS
Nuclear energy cannot be taken as easily from radioctive materials as it can be taken from the sun or the water.
  • Question 9

What type of alternative source of energy is made in the image below?

Write one word.

 

CORRECT ANSWER
hydroelectric
hydroelectricity
EDDIE SAYS
The term 'hydroelectric' means the production of energy from flowing water. The image above shows a hydroelectric power station; you can see the water running.
  • Question 10

Pick a disadvantage of solar power from the options below.

CORRECT ANSWER
it is not available at night
EDDIE SAYS
If the sun is not out or it is cloudy, it is impossible to collect energy from it.
---- OR ----

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