BUILDScience
Lesson overviewBUILD · Week 7

Food-chain change investigation

Build it. Test the arrows. Explain a change.

I can use feeding clues to make and improve a prediction.

Food-chain illustration: sunlight reaches grass; a food arrow runs from grass to rabbit and another from rabbit to fox.Open image full size
Food-chain change investigationSlide 1 of 10
StarterBUILD · Week 7

Retrieve a chain and read one arrow

Find Monday’s three-organism chain.

Follow one arrow from food to eater.

Use the feeding clue to check it.

Food-chain change investigationSlide 2 of 10
You Do · practiseBUILD · Week 7

Build the grass chain from evidence

A rabbit can eat grass.

A fox can eat a rabbit.

Place grass, rabbit, fox and two arrows.

Add producer and consumer labels.

Grass growing from the ground.Open image full size
A rabbit.Open image full size
A fox.Open image full size
Food-chain change investigationSlide 3 of 10
You Do · practiseBUILD · Week 7

Build the second chain

Leaves, labelled producer, point to caterpillar, labelled consumer; caterpillar points to robin, also consumer. Arrows run from food to eater.
Original teaching-pack diagram and labels.
Open image full size
Read the slide text
Leaves, labelled producer, point to caterpillar, labelled consumer; caterpillar points to robin, also consumer. Arrows run from food to eater. leaves caterpillar robin producer consumer consumer food / energy passes to the eater A caterpillar can eat leaves. A robin can eat a caterpillar. The green plant is the producer in this model.
Food-chain change investigationSlide 4 of 10
You Do · practiseBUILD · Week 7

Make an error, then repair it

Reverse one arrow deliberately.

Say what that wrong arrow would mean.

Read the feeding clue again.

Turn the arrow back and explain why.

Food-chain change investigationSlide 5 of 10
You Do · practiseBUILD · Week 7

Cover the plant and predict

Cover the plant in one model chain.

Who may lose a food source first?

What could change for the next consumer?

Use might or could and give a reason.

A green plant with two leaves.Open image full size
Food-chain change investigationSlide 6 of 10
You Do · practiseBUILD · Week 7

Pause and test your explanation

Check one arrow against a feeding clue.

Check one prediction: what is the link?

Does the model show every food source?

Food-chain change investigationSlide 7 of 10
You Do · practiseBUILD · Week 7

Improve, save and clear the model

Put the chain back or revise it.

Improve one arrow reason or prediction.

State one limit of this simple model.

Save the record and put the cards away.

Food-chain change investigationSlide 8 of 10
Lundy Loop · pupil voiceBUILD · Week 7

Your voice can change the lesson

What helped you join in?

What could make the next activity easier?

Point, sign, speak, write or pass privately.

Adult: agree one change and explain any limit.

Food-chain change investigationSlide 9 of 10
Exit checkBUILD · Week 7

Read the evidence behind the chain

Supported: point from food to eater.

Standard: explain an indirect plant link.

Stretch: why can’t we predict exact numbers?

Food-chain change investigationSlide 10 of 10

Use the controls or left and right arrow keys. Printing includes pupil content; model answers remain separate.