Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil...

Through multiple animations and interactive activities, this module allows students to investigate the properties of sound.

[Free Registration/Login may be required to access all resource tools.] Covers metamorphic rocks, which form from previous rocks exposed to heat and/or pressure.