Topic: Plants
Ferns are among the oldest land plants. Their fossil remains have been found in 300-million-year-old rocks. Some fern species grow to tree size, but one strange species is no bigger than your thumb. Moonwort — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Seattle has developed an innovative way to control storm water runoff that helps protect critical habitat for salmon and other wild creatures. Drainage systems that mimic nature — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Focus on Forests (9-12)
- Exploring Environmental Issues: Focus on Risk (9-12)
Big, bright sunflowers are beautiful every summer in fields all over the world. But behind the tall stalks lie some unanswered questions about the development of human civilizations. Sunflowers — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
At this time of year, in the northern hemisphere, the leaves of many trees change colors — then drop to the ground. A listener asks how a tree survives without its leaves — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Wild American ginseng is a highly prized herb in traditional Chinese medicine. But its popularity has made this plant rare in the forests of eastern North America. Find out what’s brewing with American ginseng.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
About E&S Teachers Center
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.
Learn more about PLT
More E&S Resources
