Unit 5 dating retest

Front

What was the main cause of the breakup of Pangaea?

Back

Plate tectonics

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener

Front

What is carbon-14 dating used for?

Back

To determine the age of organic materials by measuring the remaining carbon-14.

Front

How does absolute age differ from relative age?

Back

Only absolute dating finds the age in years.

Front

What is the youngest rock layer in a sequence?

Back

The topmost layer is the youngest.

Front

What is the principle of superposition?

Back

In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top.

Front

What is the significance of fossils in dating rocks?

Back

Fossils help determine the relative ages of rock layers and can indicate the environment of the time.

Front

What does the term 'continental drift' refer to?

Back

The movement of the Earth's continents relative to each other.

Front

What is the role of plate tectonics in Earth's geology?

Back

Plate tectonics explains the movement of the Earth's lithosphere, leading to earthquakes, volcanic activity, and the formation of mountains.

Front

What is an example of absolute dating?

Back

Carbon-14 dating is an example of absolute dating.