Topic: Oceans
Margeret Krahn of the Northwest Fisheries Science Center, told Earth & Sky that killer whales “are what they eat.” They can be used as what she calls a “sentinel species” – an indicator both for ocean health and for the health of humanity.
Related PLT Activities
- PreK-8 Guide
As ocean currents move water around the globe, they also move heat and moisture. That’s why changes in major currents can mean droughts, floods, or extremes of heat and cold …
Related PLT Activities
Phytoplankton “greenness” reveals growth rate
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Earth & Sky spoke to Jeannette Waddell of the National Ocean Service. She edited and contributed to a major scientific assessment of coral, released in 2005. One hundred sixty scientists helped in this first-ever attempt to pull together monitoring data, with the goal of providing a status report on U.S. coral reef ecosystems …
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Scientists seek answers to berg breakup riddles
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (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.
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