New
New
Year 6

Sustainable sources of electricity (non-statutory)

I can identify sustainable sources of electricity and describe their benefits to the environment.

New
New
Year 6

Sustainable sources of electricity (non-statutory)

I can identify sustainable sources of electricity and describe their benefits to the environment.

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Lesson details

Key learning points

  1. Generating electricity by burning fossil fuels (coal, oil, or gas) produces greenhouse gases that trap the Sun's heat.
  2. There are alternative ways of generating electricity that can be less harmful to the environment.
  3. Electricity can be produced from sustainable sources that won’t run out, such as sunlight and wind.
  4. Hydroelectricity is a sustainable source that is generated by the power of moving water.
  5. Other sustainable sources of electricity are biomass and geothermal.

Keywords

  • Generate - To generate electricity is to produce it.

  • Fossil fuels - Fossil fuels are fuels made over millions of years from fossilised plants and animals buried deep beneath Earth's surface.

  • Greenhouse gas - Gases which contribute towards global warming are called greenhouse gases.

  • Global warming - Global warming is a result of the processes that cause the average temperature of Earth to rise.

  • Sustainable sources - Sustainable sources of electricity are those which do not need to be replaced because they will never run out.

Common misconception

The only problem with using fossil fuels to generate electricity is that burning them produces greenhouse gases.

The lesson will explore additional concerns including the finite supply of fossil fuels and the fact that burning them causes air pollution.

Encourage children to recognise the importance of science and engineering careers in the development of technology to exploit sustainable sources of electricity. Note that lesson 9, in the year 4 unit, “Simple electric circuits” is about the generation of electricity in power stations.
Teacher tip

Equipment

You may wish to print out cards for task A.

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
What is a power plant?
Correct answer: A place where electricity is generated.
A place where big plants are grown.
A place where plants are used to make medicines.
A really strong plant.
Q2.
What can cars use to make them move?
An image in a quiz
Correct answer: petrol
washer fluid
Correct answer: diesel
Correct answer: electricity
Q3.
What is a greenhouse for?
An image in a quiz
To keep plants dry while they grow.
Correct answer: To keep plants warm while they grow.
To keep plants cool while they grow.
Q4.
dioxide is a greenhouse gas emitted from petrol and diesel cars.
Correct Answer: Carbon
Q5.
A fossil is the remains or imprint of living things that are sometimes preserved in rock. How long does it take for a fossil to form?
An image in a quiz
10 years
100 years
1000 years
Correct answer: over 10,000 years
Q6.
A is something that can be used to produce heat or light and electricity is now considered an alternative example of this.
Correct Answer: fuel

6 Questions

Q1.
Traditionally, electricity has been generated by burning fuels.
An image in a quiz
animal
plant
buried
Correct answer: fossil
Q2.
What do greenhouse gases do to the Sun’s heat?
prevent it from reaching Earth
Correct answer: trap it close to Earth
Nothing
Q3.
Why are alternative ways of generating electricity being investigated?
An image in a quiz
The work challenges scientists to think scientifically.
It gives scientists new projects.
Correct answer: They can be less harmful to the environment.
They are more engaging.
Q4.
Which of these is true about sustainable sources of electricity?
An image in a quiz
They will run out.
Correct answer: They won’t run out.
They are made by people.
They take millions of years to form.
Q5.
How is hydroelectricity generated?
from moving wind
from sunlight
from Earth’s heat
Correct answer: from moving water
Q6.
Which of these are sustainable sources of electricity?
petrol
Correct answer: biomass
diesel
Correct answer: geothermal
Q1 J. Helgason/Shutterstock