4th Grade - Earth's Features Chapter 3 Flashcard

Front

What was Desert Rocks National Park likely before it became a desert?

Back

A floodplain and a deep ocean.

Front

What evidence supports the claim that the site was an ocean environment before it was a forest?

Back

The most recent fossils are from a land environment, and older fossils are from an ocean environment.

Front

What can we say about lower rock layers compared to the layers above them?

Back

Lower rock layers are older than the layers above them.

Front

Which rock layer is older, the upper layer or the lower layer?

Back

The lower layer.

Front

What is a scientist who studies the solid part of Earth called?

Back

Geologist.

Front

What is the process called when sediment is laid down in layers?

Back

Sedimentation.

Front

What do fossils tell us about Earth's history?

Back

Fossils provide evidence of past life and environments.

Front

What is the term for the study of Earth's physical structure and substance?

Back

Geology.

Front

What is the significance of the Law of Superposition in geology?

Back

It states that in undisturbed rock layers, the oldest layers are at the bottom.

Front

What type of environment do marine fossils indicate?

Back

An ocean environment.