What are fossils?
Remains of living things or traces of living things that lived long ago.
What does decay mean?
bones, shells, and teeth
What is an example of a trace fossil?
Foot prints, or burrows
What happens when an insect gets stuck in tree sap?
It turns into amber
What is tar?
sticky material that seeps to earths surface. Animals got stuck inside the tar pits.
How can we tell the age of a fossil?
By its rock layers.
Why was a skeleton of a shark found in the desert?
Due to Climate Change, the shark was found in an area that was once an ocean and now has become a desert.
What is climate change?
When the climate on earth changes from cool to warm and the opposite.
What do you call the scientist who studies fossils?
Palentologist
What is a cast fossil?
When minerals fill molds and harden
What does extinct mean?
no longer live on earth
What does data mean?
facts from fossils
What are index fossils?
Fossils that lived for a short known time.
Can fossils be trapped in ice?
yes. The mammoths froze when the climate was colder.
What is a fossil record?
the total number of fossils found. It gives clues about how organisms changed over time.