videos

Students use toothpicks to make a skeleton model of a sea reptile that lived more than 65 million years ago. view resource at National Geographic

Students make molds and casts of objects to make their own fossils. view resource at National Geographic

Students investigate adaptations—changes in body parts or behaviors—that helped prehistoric marine reptiles survive in the Cretaceous period. view resource at National Geographic

For more than 10 million years, Megalodon was at the top of its game as the oceans’ apex predator…until 2.6 million years ago, when it went extinct. So what happened […]