Earth's Features Review Flashcard

Front

What are the two main conditions needed for fossils to form?

Back

1. Water 2. Sediment

Front

What can be inferred about the environment where fossils were found if it was too extreme for living things?

Back

The environment had times when it was too extreme for any living things to live.

Front

In which layer are the youngest fossils typically found?

Back

Layer 1

Front

What natural process most likely created a riverbed?

Back

Water erosion

Front

What geological process formed the Grand Canyon?

Back

Erosion

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.

Front

What is sediment?

Back

Sediment is small particles of rock, soil, and organic material that are transported and deposited by wind, water, or ice.

Front

What role does water play in fossil formation?

Back

Water helps to bury and preserve the remains of living organisms, allowing them to become fossils.

Front

What is the significance of layers in the Earth's crust?

Back

Layers in the Earth's crust can indicate the relative ages of fossils, with older fossils typically found in deeper layers.

Front

How can scientists determine the age of fossils?

Back

Scientists can determine the age of fossils by studying the layers of rock in which they are found and using radiometric dating.