Fossils

Front

The hardened remains of a living thing that died long ago.

Back

fossil

Front

The diagram shows layers of sedimentary rock and examples of the fossils each layer contains. Which layer contains the oldest fossils? Options: Layer 2, Layer 4, Layer 1, Layer 3

Back

Layer 4

Front

Where are most fossils found? Options: In sand dunes, In volcanoes, In igneous rocks, In sedimentary rocks

Back

In sedimentary rocks

Front

Which fossil layer is the youngest? Options: Layer A, Layer B, Layer C, Layer D

Back

Layer A

Front

How are fossils created?

Back

All of the above: Traces of organisms harden like rock, dead organisms are quickly buried for millions of years, animals get trapped.

Front

The gradual change in living things over time is..

Back

evolution

Front

An organism is ______________ if it no longer exists and will never live again on Earth.

Back

extinct

Front

A ______________________ is a scientist who studies fossils.

Back

paleontologist

Front

Which of the following substances is not able to preserve entire organisms?

• sticky tar
• liquid water
• soil
• ice

Back

liquid water

Front

Remains, imprints or traces of once-living organisms

Back

fossils