Without water, life on Earth would not exist. This book provides a refreshing look at the uses of water and the importance of conserving and protecting this life-giving resource. More →
Physical Science
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Where does water go when it dries? Why do eggs go solid when you cook them? Why is ice slippery? answers all these intriguing questions about the science of materials, and much more. More →
This book explains in a simple way how air allows some objects to float--even enormous objects, such as ships! More →