How Fossils Form
How Do We Know Where to Look for Dinosaur Fossils?
Dinosaur fossils are found almost exclusively in sedimentary rocks, which form when sand, silt, mud, and organic material settle out of water or air to form layers that are then compacted into rock.
Paleontology is packed with mysteries about living things such as plants and animals that lived thousands, millions, and billions of years before the first modern humans. To solve these mysteries, paleontologists use fossils.
Reconstruct and identify a fossil skeleton.
How do your fossil-sorting skills stack up? Put them to the test with this kid-friendly online puzzle.