Sunday, 18 January 2009

Unit 7I Energy resources Lesson 6

Energy resources lesson plans

Lesson 6 energy and food

Aim – Where does all our energy originate from?

5 minutes Starter Students have previously studied food chains. Ask them what normally starts any food chain? Why do we have to have a plant at the start? Where do plants get their energy from?

20 minutes Trace the food chain ending in a glass of milk back to its source – the sun. The energy in the foods we eat can be traced through a food chain with the Sun’s energy at the start of the chain.

Similarly, trace the energy of a moving car or bus back to the sun – fossil fuels were living organisms that transformed and stored the suns energy.

Students answer Q 1 and 2 p.107

30 minutes Use p 107 as stimulus material for a discussion on how we can use energy well.
Pupils may wish to present the points that arise in the form of display material or a debate.

National curriculum links: Sc4 5a/b/c energy resources

Grading:

Level 5 Describe the type of energy that an object has or is using

Level 6 Describe how energy is transferred from the Sun to other energy resources

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