Amplify Unit 3 Earth's Features

Front

How do we determine the age of rock layers?

Back

Lower rock layers are older than the layers above them.

Front

Which layer of rock is typically the youngest?

Back

The topmost layer.

Front

What is the role of geologists in studying rock layers?

Back

To observe the order of rock layers to infer the order of past environments.

Front

What does it mean to infer in geology?

Back

To draw conclusions about past environments based on the order of rock layers.

Front

What do different sedimentary rocks tell us about past environments?

Back

Different sediment builds up in different environments, so different kinds of sedimentary rocks form in different environments.

Front

Sediment

Back

Small particles of rock and soil that accumulate in layers.

Front

What is a scientific argument?

Back

A scientific argument is a reasoned explanation that answers a question using evidence.

Front

What is the difference between a response and a claim?

Back

A response is a general answer, while a claim is a specific assertion based on evidence.

Front

How do scientists use evidence in their claims?

Back

Scientists use evidence to support their claims and make their arguments stronger.

Front

What does it mean to observe in geology?

Back

To carefully examine rock layers and their characteristics.