✓ Done
Food Chain Balance Simulator
Grass, rabbits and foxes: change one and watch the whole chain wobble.
11 activities
Environment simulators
Food chains, carbon footprints and clean energy.
Become a climate detective: balance a food chain, measure a carbon footprint, and plan a city powered by the sun, wind and water.
By class: Class 4, Class 5, Class 6, Class 7, Class 8, Class 9, Class 10.
✓ Done
Carbon Footprint Calculator
Adjust travel, electricity, food and shopping to see your yearly CO₂, and how to shrink it.
✓ Done
Renewable Energy City Planner
Power a growing city with solar, wind, hydro and coal, balancing cost, pollution and blackouts.
✓ Done
Flood-Ready Town: Where Does the Storm Water Go?
Pave the town, dig drains, keep a wetland and raise the embankment, then hit it with a storm and count the houses that flood.
✓ Done
Cool Your City: Beat the Urban Heat Island
Add trees, light roofs and ponds to a city and watch how much cooler it gets than the countryside, by day and at night.
✓ Done
Clean Air Challenge: Read the AQI, Fix the Air
Turn the traffic, factories, stubble fires and dust up or down, add wind, rain or a winter inversion, and watch the PM2.5 and AQI respond hour by hour.
✓ Done
Rescue the Lake: Nutrients, Algae and Oxygen
Let fertiliser and sewage into a lake, watch the algae bloom and the oxygen crash, then treat the sewage and see whether the fish survive.
✓ Done
Deforestation Lab: What a Hillside Loses with Its Trees
Clear or replant a hillside and read what changes: run-off, soil washed into the river, water reaching the ground and carbon stored.
✓ Done
Stop Plastic Pollution: Follow the Plastic to the Sea
Set how much a town reduces, reuses, collects and recycles, run the years and watch how much plastic piles up in the sea.
✓ Done
Compost Lab: Turn Waste into Soil
Mix greens and browns, set the moisture and turning, and see how many days your heap takes to become compost, or whether it turns smelly.
✓ Done
Acid Rain Lab: Smoke, pH and the Taj Mahal
Burn coal, run traffic, fit scrubbers and converters, and read the pH of the rain and what it does to a marble statue, a lake and a forest.
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