Science Trek is an integrated Web and broadcast project designed to introduce a rich variety of science topics to elementary-age schoolchildren. Students submit their video or e-mail questions to be answered by science experts on a new topic each month during the school year.
Major funding provided by the Laura Moore Cunningham Foundation
Providing Support for PBS.org
Providing Support for PBS.org
Kingdoms of Life: Sophie Gilbert: Wildlife Biologist
What does a wildlife biologist do?
What is sleep? Find out what happens when you go to bed and close your eyes.
Volcanoes: What Makes A Volcano Different?
Volcanoes have different characteristics. Find out more.
Trees are the oldest, tallest and heaviest things on Earth. How do they grow and survive?
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