This site from the Missouri Botanical Gardens provides general information about different kinds of grasslands and the plants and animals of that type of region.

[Free Registration/Login Required] This flipchart contains a pre-test using the Activotes. It is a third grade study of the three main types of soil as well as the layers of soil. Graphic organizers and hands-on experiments are integrated.

How would you define an ecosystem? Check out this educational resource to learn more about the living and nonliving parts of different ecosystems.

Young students are introduced to the complex systems of the Earth through numerous lessons on its natural resources, processes, weather, climate and landforms. Key earth science topics include rocks, soils and minerals, water and natural...