Use crayons to model the rock cycle in this fun activity! You will make colorful sedimentary, metamorphic, and igneous "rocks" from crayon shavings.

This activity combines the concept of Earth's rock cycle with the characteristics of other planets in the solar system.

This is a large collection of resources on cycles of nature and the Earth. There is a constant exchange of the elements between air, earth, water, plants, and animals. Most biological processes wind up back where they started. These...

To experience the three types of material stress related to rocks - tensional, compressional and shear - students break bars of soap using only their hands. They apply force created by the muscles in their own hands to put pressure on...