Clean Energy Mix

Classes 7–12 · about 6 minutes · free, no sign-up

What you will learn

Explain why demand changes through the day, why solar and wind vary, why storage is needed for clean power, and compare sources by their CO₂ emissions.

How to play

Choose how much solar, wind, hydro, coal and battery storage the city has.
Read the chart: coloured bars are power made each hour, the dashed line is what the city needs.
Avoid blackouts (red) and watch the CO₂ and wasted energy.
Finish three challenges, ending with halving CO₂ with no blackouts.

Go deeper

Notes, practice questions and tests for the same topic:

Class 8 Science: Coal and Petroleum NCERT chapters → Class 10 Science: Sources of Energy NCERT chapters →

More in Earth & Climate Lab

Make the Weather

Warm the sea, lift the air and watch it cool into clouds and rain, then see why the coast gets more rain than inland.

Play →

Earthquake Shake Table

Build towers, shake the ground fast or slow, and discover why the building in most danger is not always the tallest.

Play →

Free forever, no account needed. No ads for students and no tracking. Anything you type stays on your device.