Dig into this soil lesson on the layers of soil--topsoil, subsoil, and bedrock! This lesson gives the students background information on these three layers. The students are then guided to make observations about the inside of a Snickers bar, while comparing it the layers of soil. Students record their observations, draw cross section diagrams, and finish the activity by writing a paragraph about their learning.
Please remember: this lesson is not intended for use with classes that have nut