7.10A DO NOW Vocabulary Evidence of Earth's Change Over Time

Front

What is the idea that the continents were once fused together but slowly drifted apart over time?

Back

Continental drift

Front

What is the term for one giant continent into which most or all of the continents were assembled long ago?

Back

Supercontinent

Front

What are the more than a dozen distinct plates that make up Earth’s surface and slowly move in different directions?

Back

Tectonic plates

Front

What is the condition of undisturbed sedimentary rock in which the oldest layer is at the bottom and the youngest layer is at the top?

Back

Superposition

Front

What is the term for the process by which tectonic plates move and interact with each other?

Back

Plate tectonics

Front

What is the evidence that supports the theory of continental drift?

Back

Fossil distribution, geological similarities, and climate evidence

Front

What is the term for the boundary where two tectonic plates meet?

Back

Plate boundary

Front

What are the three types of plate boundaries?

Back

Divergent, convergent, and transform boundaries

Front

What is the process called when one tectonic plate is forced under another?

Back

Subduction

Front

What is the geological feature formed at a divergent boundary?

Back

Mid-ocean ridge