Transfers in food chains, energy loss, pyramids of numbers and biomass, bioaccumulation, pesticides.

A complete, and ready to deliver, high quality KS3 lesson from Barclayfox.

(For USA - this lesson is for use between 6th to 8th grade).

This is a complete lesson from start to end, you do not need to spend many hours carefully planning, creating, resourcing and improving this lesson after each use. I have already spent those hours preparing this lesson for my students and improving it over many years. This is a very high quality lesson.

There is nothing for you to do but give it a quick look through and familiarise yourself with it.

Lesson objectives:
* Represent food chains using Pyramids of numbers.
* Describe how energy is lost as it transfers down the food chain.
* Calculate biomass and create pyramids of biomass.
* Explain bioaccumulation of pesticides and the effect.

This carefully crafted lesson is over 30 slides long, and is full of these learning activities:
* Notes to help the teacher.
* Starter - complete the food web.
* Starter - simple task where students self-assess against the objectives.
* Matching game - answers are provided.
* Role play - spread of pesticides up the food chain.
* Questions – all answers are provided.
* Peer marking & Self marking opportunities
* Up and about activity - role play
* Theory slides (carefully sculpted, interspaced with learning activities, not ‘death by powerpoint’).
* Activity sheet - with answers - simply print it off for each student if required.
* Play ball opportunities
* Video clip links - several (carefully selected – this alone can save you 20+ minutes of searching).
* Paired work activities – all answers are provided.
* Homework - optional / at your discretion using the activity sheet.
* Scientific Literacy activity.
* Scientific Numeracy activity
* SMSC opportunity - use of pesticides & effect on organisms.
* Student self-assessment versus objectives activity – so learners can judge for themselves how much they have learnt.
* Extension activities – just in case additional activities are required.

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This lesson is part of a series, whilst they all work very well as standalone individual lessons you may wish to buy others from the series:
0. Bundles – contain all of these lessons at a discounted price.
1. Variation
2 to 6 - please see inside the powerpoint for the list

Thank you, and happy teaching!
Yours,
Barclayfox