Food Chains and Webs ~ KS3 ~ Year 8

Key stage 3 ~ year 8 ~ two-part lesson on Food Chains and Webs.

Lesson 1

In this lesson students will learn about the difference between food chains and food webs, calculate approximate energy transfer at each step in the food chain and explain why most food chains are short.

-Title slide with learning objectives
-A starter activity
-Group reading (literacy)
-Keywords (vocabulary: food chain, food web, predator, prey and energy transfer)
-Task boxes
-Comprehension questions
-Numeracy task
-Discussion exercise
-Answer slides included for self-assessment

Lesson 2

In this lesson students will describe the relationship between the populations of producers and consumers. They will discuss the interdependence of organisms in food webs and explain the bioaccumulation of toxins.

This lesson includes:

-Title slide with learning objectives
-A starter activity
-Group reading (literacy)
-Keywords (vocabulary: herbivore, omnivore, carnivore, interdependence, insecticide and bioaccumulation)
-Task boxes
-Comprehension questions
-Handout sheet task
-Recall Questions
-Answer slides included for self-assessment
-Next lesson Ecosystems https://www.tes.com/teaching-resource/resource-12768066

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