Grade 3 Science revision 2 for 3rd QUIZ

remains or traces of plants and animals that lived long ago.

• data

• fossil

• argue

• extinct

No longer live on Earth

• evidence

• index fossil

• argue

• extinct

information that can be used to confirm an idea

• evidence

• extinct

• argue

• fossil

total number of fossils found

• index fossil

• evidence

• fossil record

• data

All facts or information that scientists gather

• fossil record

• argue

• data

• index fossil

to make claims supported by evidence

• argue

• fossil

• index fossil

• fossil record

fossils of organisms that lived for a short, known time

• data

• extinct

• evidence

• index fossil

a footprint, burrow, or other mark left by a living thing

• trace fossil

• cast fossil

• mold fossil

Minerals pour into a cavity where an organism once was. Those minerals harden and take the shape of the once living thing.

• Mold Fossil

• Cast Fossil

• Trace Fossil

An empty hollowed out space in a rock that once contained an organism such as a plant or animal.

• Trace Fossil

• Cast Fossil

• Mold Fossil