Curated OER
Changing With the Tide
Young scholars describe three different aspects or life forms of the salt marsh. They compare and contrast the low and high marsh. Students explain what happens in different areas of the marsh at low and high tide; and explain the roles...
Curated OER
A Look at Tidal Wetlands
Here is a comprehensive and lengthy presentation on tidal wetlands. Many photos of grasses and the animals that live among them are included, making this a virtual field trip. The progression of the presentation is as if you would walk...
Curated OER
Poisoning the Prairie
Seventh graders investigate what pesticides are and why people use them. They examine the effect of pesticides on prairie grasses and what alternatives can be used.