Topic: Geology
Scientists have found the first evidence of what they think is an enormous impact crater in Antarctica …
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Rob Wright is a researcher at the University of Hawaii. He uses satellites to measure the heat that’s released when volcanoes erupt.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Most dinosaur-scientists hunt for bones, but some look for footprints — because these prints provide clues to dinosaur movement and behavior. We’ll talk about tracking animals that passed by a hundred million years ago.
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- PreK-8 Guide
More than 50 mountains in the state of Colorado are higher than 4,000 meters — or 14,000 feet. But not one of them is much higher. Why Colorado’s fourteeners are so nearly the same size — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
You can tell a really good loaf of bread by its dense, chewy crust. And in some places, you can tell that the soil is in really good shape because it has a crust, too. Dig in to more about soil crust.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
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PROJECT LEARNING TREE® is an award winning Environmental Education program of the American Forest Foundation.
Enhance learning in your classroom with correlated PLT lessons. Hundreds of correlations have been developed combining PLT's award winning PreK-12 Environmental Education curriculum and Earth & Sky's radio series.
Browse the topics to the right to view the radio shows and activity correlations.
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