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CLIL

Read about composting.

Food scraps correspond to 50% of the waste we produce daily. If it is not properly managed, it ends up in a landfill and releases methane gas.To rot is the process of allowing natural materials to decompose. We can avoid this by composting our organic waste.

Rot: an important R

Worms are incredible decomposers. The worms we use for composting in boxes are called Eisena foetida. Over 7,000species inhabit the world and they are so important to ecosystems.

Glossary, page 118

Everything we eat comes from the Earth, however,not everything can be composted. Compostable materials are wood, twigs,paper, leaves, fruits,vegetables, plants, and eggshells. Other materials should never be added to a composting pile.

Environmental Lunch Activity.

Instructions:

• Track the lunch discards on the worksheet.

Separate the discards into the different buckets.

Make a graph registering the amount of materials generated.

Make predictions by multiplying the discards by the number of classes in school.

Materials needed:

Lunch discards from cafeteria or home lunches.Environmental lunch sheets.Four bags or buckets labelled: compost, recycle,reuse, and landfill. Chart paper for making a graph.

Reflect!

Why do you think it is important to have a count of our discards?

6Think how you can have a zero-waste lunch to avoid a landfil.



Editors adaptation: Seymour J. (2009) Self-sufficient Life and How to Live it. p.234



Activity Book 41Page

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Unit 3 · Changing Habits