American Museum of Natural History
What's This?: Early Humans
Early humans crafted shelters out of whatever materials they could find. A one-question quiz asks learners to identify the type of bones used to construct the hut pictured in a display.
CK-12 Foundation
Ck 12: Plix: Branches of Earth Science
[Free Registration/Login Required] An interactive concept map that shows how the different branches of earth science. After completing the concept map, students can test their knowledge with a "challenge me" quiz.