Discusses the possibility of sea cities as man employs his latest technological knowledge to use this last frontier to his best advantage.

Discusses the extreme physical conditions and strange animals that exist in the depths of the ocean.

"Describes the oceans to the reader."--

From both a historical and scientific point of view, above and below the surface, this engaging guide brings the world's oceans to life through fun facts, illustrations, and in-depth information. Interactive activities appear throughout, ranging from making solar stills and simple fishing spears to experimenting with a homemade diving bell and figuring out how much water it really takes to survive. With the oceans being the least explored environment...

Make your own tide pool sculptures, conduct experiments, and expand your ocean knowledge with science-based crafts and activities.

Introduces the earth's smallest ocean, and provides instructions for an activity to demonstrate how ice floats.