Water Wheels

Integrate math (measuring), science / engineering (simple machines, force/motion, renewable energy), art (design), and history by constructing a water wheel! 

Wired - Can you construct a water wheel that can lift a small load?
Science Buddies - "Put Your Water to Work," exploring Hydropower!
Meet the Greens - Kids go green (water wheel featured bottom right)
History - water wheel / Types - get kids inspired (design) / Physics - water wheel