Aztecs created amazing hydroponic gardens called Chinampas, to grow their crops. Learners in grades k-7 engage in four mini-experiments to understand just how amazing floating gardens are. Tip: A perfect way to bring science into your...

Have you ever wanted to grow plants without soil? This site will give you seven techniques to do just this. Additionally, learn about the history of hydroponics, problems associated with hydroponics, and possible future uses.

How do leafy greens like spinach grow even in the dead of winter? One way is hydroponics- an ancient technique that could be the future of farming. [4:51]

This website looks at our dependence on soil and what it produces. It includes text, graphs, charts, illustrations and important statistics. Hosted by the Seafriends Marine Conservation and Education Center.