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Science & Technology

Animals and Plants

Discover the living world! Topics include endangered species, microscopic life, plants, insects, fish, amphibians, reptiles, birds, and mammals. Good for grades 4 through high school.

Chemical Elements

Find in-depth info on gold, copper, and other elements of the periodic table in this set of online encyclopedias.

Geography & Weather

Look here for information on the environment, extreme weather, landforms, natural disasters and world biomes. Good for grades 4 through high school.

Science & Technology

From the science of everyday products to the technology of space flight, search these online books for answers to all of your science, math, and environmental questions.