What's the difference between wind erosion and water erosion? Perform an experiment to study the effects of air on soil, as well as water and soil, and how effective it can be to place rocks on the soil. 

Here is another in the interesting series of lessons that use the special State Quarters as a learning tool. This one uses the North Dakota State Quarter. During this lesson plan, your class learns about the different patterns of...

Here's a great geology lesson for 3rd graders on weathering and erosion of soil. After a class discussion on how nature can "move a mountain," learners take a look at how a modern phenoma called acid rain can also cause weathering and...