These sites have information about various types of soil. Learn about the components of soil such as sand, clay, silt, and humus, and read how soil is formed and why it is useful to us. There are hands-on activities and science experiments. Includes links to eThemes Resources on erosion, recycling, earthworms, and rocks and minerals.
These sites focus on the process and effects of weathering and erosion. See examples of landslides, valleys, and other results of erosion and weathering. Includes links to eThemes Resources on rocks and minerals and Missouri's landforms.
These sites describe various rocks and minerals. Learn about igneous, sedimentary, and metamorphic rocks and some of the more common minerals. Includes hands-on activities, games, photographs, and two animated movies. There are links to eThemes Resources on fossils and erosion.
These sites have information about rocks and soil. Learn about their different properties, how rocks are made, and how soil is formed. There are interactive pages, quizzes, and many ideas for in-class activities. Included are three related eThemes resources on soil, rocks, and erosion.
These sites have information on solid waste, composting, and recycling. Read about how paper and plastic are recycled. Includes online games and classroom project ideas. There are links to eThemes Resources on Earth Day and pollution.