1. Key Words Key Words: 1.Producers 2.Herbivores 3.Carnivores 4.Predator 5.Prey 6.Omnivore 15 October, 201515 October, 201515 October, 2015 Where did the ox go? Lesson Objective: To understand what happens to energy in a food chain. Starter Starter: 1.Complete the puzzle 2.Memorise the keywords with the number Starter Starter: 1.Complete the puzzle 2.Memorise the keywords with the number

2. Lesson Outcomes: Level 4 1.To be able to construct a food web and define the keywords (Level 4). Level 5 2.Describe what happens to the energy in a food chain(Level 5). Lesson Objective: Lesson Objective: To understand how humans impact the environment

3. Food chains - Terminology Food chains - terminology

4. Food webs

5. Lettuce Makes its own food using energy from the sun. Grass Makes its own food using energy from the sun. Slug Eats lettuce. Aphid Eats grass. Grasshopper Eats grass. Caterpillar Eats lettuce. Rabbit Eats lettuce and grass. Spider Eats aphids. Hedgehog Eats slugs and caterpillars. Thrush Eats slugs and spiders. Vole Eats grasshoppers. Frog Eats grasshoppers. Grass snake Eats frogs. Sparrowhawk Eats voles and thrushes. Fox Eats hedgehogs, voles and rabbits.

6. Lesson Objective: Lesson Objective: To understand how humans impact the environment 1.Watch the video 2.Read the questions in front of you 3.Watch it again and answer the questions 4.Compare your answers with the person sitting next to you http://www.youtube.com/watch?v=LBagx9Qh dx8

7. Key Words Key Words: Global Warming, Greenhouse gases, Pollution Lesson Objective: Lesson Objective: To understand how humans impact the environment 1.Why is energy needed? 2. Where did the energy come from? 3.How much energy is lost at each stage % 4. What is an energy pyramid? Draw an example.

8. 1.Why is energy needed? 2. Where did the energy come from? 3.How much energy is lost at each stage % 4. What is an energy pyramid? Draw an example. 1.Why is energy needed? 2. Where did the energy come from? 3.How much energy is lost at each stage % 4. What is an energy pyramid? Draw an example.

9. 1.A pyramid of energy shows the relative amount of or energy at each trophic level of a food chain 2.Energy is lost at each stage of a food chain Pyramid of Energy Pyramid of Numbers & Biomass

10. Energy transfer

13. 1.Using the information you have found out today construct a paragraph on ‘Energy losses in a food web’ 2.Talk Like a Scientist 3.Peer assess it using the level ladder and suggest one improvement that can be made to it.

14. GradeCriteriaTick 3 State where the energy comes from and how much is lost at each stage. 4 Describe the different types of organisms you find at each trophic level. 5 Explain how energy is lost at each stage. KeywordTick producer respiration movement Excretion growth reproduction carnivore Feeding level Sentence Starters: Energy from all food chains comes from ….. At each trophic level ……… is lost. Energy is lost at each level by ……………………..

15. Lesson Outcomes: Level 4 1.To be able to construct a food web and define the keywords (Level 4). Level 5 2.Describe what happens to the energy in a food chain(Level 5). Lesson Objective: Lesson Objective: To understand how humans impact the environment

16. Wordsearch Wordsearch

17. Quiz Quiz