Fossils!

Front

What type of rock do most fossils form in?

Back

Sedimentary rock.

Front

According to the law of superposition, which layer is the youngest?

Back

Layer A.

Front

What does a fossil found in a boulder tell us about the past environment?

Back

The area was once covered by water.

Front

What does finding a leaf fossil in sediment indicate?

Back

The leaf made an imprint in the sediment before it hardened to rock.

Front

What is a fossil?

Back

A trace of an organism that existed in the past.

Front

What type of rock is NOT typically associated with fossil formation?

Back

Igneous rock.

Front

What can fossils tell us about Earth's history?

Back

They provide evidence of past life and environments.

Front

What is the process called when an organism is preserved in sediment?

Back

Fossilization.

Front

What is an example of a trace fossil?

Back

Footprints or burrows left by animals.

Front

What is the significance of sedimentary layers in understanding fossils?

Back

They help determine the age and environment of the fossils.