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- Energy knowledge
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Air
- Air knowledge
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- Air in motion
Water
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Earth
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Life
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Ecosystems
- What is an ecosystem
- Coral Reef
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Space
- Solar System
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- Space Exploration

Multimedia

All experiments

A scuba diver in a bottle
Build a diver who dives and rises to the surface according to the Archimedes' Principle

Action reaction
Discover the principle of Archimedes with a glass of water and a balance!

Archimedes' principle
Why do ships float while a piece of iron sinks?

The magic egg
An egg floats or sinks in fresh water? And in salt water?