Smithsonians National Museum of Natural History | What are the three types of rocks? featuring Geologist Ben Andrews @nationalmuseumofnaturalhistory | Uploaded 6 years ago | Updated 2 hours ago
Smithsonian geologist Ben Andrews introduces the three types of rocks – igneous, sedimentary, and metamorphic – shows examples, and explains how they formed.

This video supplements the online "Rocks and Minerals" school program for students in grades 3 to 5. https://naturalhistory.si.edu/education/school-programs/grades-3-5/rocks-and-minerals