Curated OER
Making a Food Web and Learning About Ecosystems
Third graders examine the difference between a food web and food chain. They also examine the importance of the sun in a food web and food chain. Students understand what happens when you remove parts of the chain.
Curated OER
Living with Manatees
Students research the lives of manatees and how humans are contributing to their survival. They visit a variety of websites including a webcam.