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Watch Now: Trees (The Show)

Trees [trēs]
Large perennial woody plants.

The oldest living thing on Earth is a tree. It is also the heaviest and the tallest. Trees keep our air clean, reduce noise pollution, improve water quality, help prevent erosion, create shade, provide food, building materials, homes for wildlife, and make our world beautiful.

Find out more about this topic by clicking on the buttons on this page. You can watch our broadcast show, Science Trek: The Web Show, and our video shorts in our player. Facts will tell you more about the topic. Links will expand your learning beyond our site. Glossary gives you a list of specialized words. Resources offer reading suggestions. Games give you a chance to play. Top Ten are answers to ten of our favorite questions asked by students. Teachers provides materials for educators. Archive takes you to video files from past shows not on our current player. Contact us by clicking on the link in the masthead to email us questions or comments. Click for the current season’s schedule of programs, learn more about the scientists on this show and be sure to check out my blog.

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