OLogy: If Rocks Could Talk
OLogy (American Museum of Natural History)

Meet six rocks that travelled to the Museum from places like Mexico, Scotland, and even outer space.

National Park Service: Junior Ranger Online - Two Different Types of Granite
National Park Service

City of Rocks National Reserve contains two different types of granite.

Siemens STEM Day: A Rocky Test
Siemens STEM Day

Students will gain an understanding of rock types and their different responses to physical and chemical weathering.