SAV Plants of the St. MaryÂ¿Â¿Â¿s River Ecosystem
Students examine the importance of submerged aquatic vegetation in the St. Mary River ecosystem. They identify different characteristics of common eelgrass and discuss water quality, photosynthesis, habitat, oxygen production.
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Ecosystem Interdependence: Managing Salmon for Healthy Forests
Examine the impact the fishing industry has on local ecosystems. The hands-on instructional activity begins with an experiment that tests the effectiveness of fish-based fertilizers. It continues with a computer-based module that...
6th - 12th Science CCSS: Designed
Fighting Fire with Fire: Can Fire Positively Impact an Ecosystem?
Learn how fire managers fight fire with more fire. Pupils explore the difference between wildfires and controlled burns by analyzing several burn scenarios, focusing on the positive impacts of fire on the ecosystem. They further their...
6th - 8th Science
Why Do Rivers Have Deltas?
What determines the shape of the shoreline where a river meets an ocean? The video explains many causes for delta formation, including human activities and climate change. Also included are examples from around the world and throughout...
3 mins 6th - 12th Science CCSS: Adaptable