Mon Prof Augmenté
Compost Bin Layers
Age 9 · Daily Life
A compost bin is filled with layers of wet kitchen scraps and dry leaves or cardboard. Air, water and turning help the bits break down into dark soil.
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Age 9: open this week
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In the picture
- Wet kitchen scraps: fruit peels, an apple core and grass clippings
- Dry material: a torn cardboard piece and dry leaves
- Crumbly dark compost with small air gaps
- A pitchfork lifting and turning the pile
Examples
- Banana peels and apple cores from the kitchen going into the bin.
- Raking dry autumn leaves and tearing up a cardboard box to add on top.
Key takeaways
- Wet and dry layers together break down faster than either one alone.
- Turning the pile lets air in, and a little water keeps it damp like a squeezed sponge.
Quiz: Compost Bin Layers (Age 9)
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Which layers should be mixed in a compost bin so the bits break down faster?
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Why is turning the compost pile helpful?
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How damp should a healthy compost pile be?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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