Key WordsKey Words:1.Producers2.Herbivores3.Carnivores4.Predator5.Prey6.Omnivore

20 April 202320 April 2023Where did the Where did the ox go?ox go?Lesson Objective:Lesson Objective:

To understand what happens to energy in a food chain.

StarterStarter:1.Complete the

puzzle2.Memorise the keywords with

the number

Lesson OutcomesLesson Outcomes::1.To be able to construct a food web and define the keywords (Level 4Level 4).

2.Describe what happens to the energy in a food chain(Level 5Level 5).

Lesson Objective:Lesson Objective: To understand how humans impact the environment

Food chains - TerminologyFood chains - TerminologyFood chains - TerminologyFood chains - Terminology

Food chains - terminology

Food websFood websFood websFood webs

Food webs

LettuceMakes its own food using energy

from the sun.

GrassMakes its own food using energy

from the sun.

SlugEats lettuce.

AphidEats grass.

GrasshopperEats grass.

CaterpillarEats lettuce.

RabbitEats lettuce and grass.

SpiderEats aphids.

HedgehogEats slugs and caterpillars.

ThrushEats slugs and spiders.

VoleEats grasshoppers.

FrogEats grasshoppers.

Grass snakeEats frogs.

SparrowhawkEats voles and thrushes.

FoxEats hedgehogs, voles and

rabbits.

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=LBagx9Qhdx8

Key WordsKey Words: Global Warming, Greenhouse gases, Pollution

Lesson Objective:Lesson Objective: To understand how humans impact the environment1. 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.

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. 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 Energy Pyramid of Energy Pyramid of Energy

Pyramid of Numbers & Biomass

Energy transferEnergy transferEnergy transferEnergy transfer

Energy transfer

Energy transferEnergy transferEnergy transferEnergy transfer

Energy transfer

Energy transferEnergy transferEnergy transferEnergy transfer

Energy transfer

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.

Grade

Criteria Tick

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.

Keyword Tick

producer

respiration

movement

Excretion

growthreproduction

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 ……………………..

Lesson OutcomesLesson Outcomes::1.To be able to construct a food web and define the keywords (Level 4Level 4).

2.Describe what happens to the energy in a food chain(Level 5Level 5).

Lesson Objective:Lesson Objective: To understand how humans impact the environment

WordsearchWordsearchWordsearchWordsearch

Wordsearch

QuizQuizQuizQuiz

Quiz