Seventy thousand different types of soil exist in the United States alone. Young scientists learn about the importance of soil to the food supply. They test soil for a variety of factors and determine the best place to set up a community...

Learners identify the different components that make up soil. In this earth science lesson, students create a pamphlet for next year's class. They analyze how erosion and weathering shape the Earth.

Fourth graders examine the effects of waves on coastal land. They discover how water's power can change the appearance of land formations.

Students collect rocks, identify them, classify them, investigate their properties, and more. For this rocks lesson plan, students also experiment with soil and erosion and weather.

Fourth graders observe the effects of water on the soil and record those effect by drawing sketches of water erosion and conservation practices.

Fourth graders create a model of the formation of Indiana by glaciers. Working in groups with appropriate materials, they create a model documenting how glaciers moved through the land and formed the geological structure and land masses...

Learners gather information and create a web site on prairies and plains using a variety of resources, including the internet.