Fossils are like time capsules that preserve the remains of once-living organisms. Explore the process in which fossils are formed and learn about...

Learn the fossil definition, characteristics of fossils, the study of fossils, and explore the types of fossils and fossilization and what they can reveal.

Dinosaurs and other living things from millions of years ago can be studied by scientists if they use fossils. This lesson will explain what fossils are, the types of fossils, and how some fossils ...

Are stromatolites fossils? There are both fossil and living stromatolites. The places on the planet where stromatolites are still formed are scarce and have very fragile environmental conditions.

Index Fossils: Index fossils are the preserved remains of specific species found in the strata of sedimentary rock. They are easily recognized by shape and lived for either a short period of time, …

Learn about index fossils and discover how index fossils help scientists. Review how to find an index fossil. Study the law of superposition and its importance.

Learn the definition of the relative age of rocks and understand how it differs from absolute age. See various relative age examples and find its principles.

In this lesson, learn all about trace fossils. This includes learning the trace fossil definition, types of trace fossils, and seeing trace fossil examples.

Microfossils are very small fossils that are usually about one millimeter in size. In fact, unlike the incredibly complex classification systems seen in most other fossil categories, the only ...

The Law of Superposition helps scientists in relative dating, especially when they are comparing similar rock layers that are continents apart or when index fossils are present.