Plate Motion Concept & Vocab Review (Post-Ch.1)

Front

What is a plate boundary?

Back

The place where two plates meet.

Front

What is a pattern in scientific observations?

Back

Something we observe to be similar over and over again.

Front

What is a cross section?

Back

A diagram that shows what the inside of something looks like.

Front

What is the mantle?

Back

The layer of soft, solid rock underneath Earth's plates.

Front

What is the outer layer of the Earth?

Back

Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water.

Front

What are tectonic plates?

Back

Large pieces of Earth's lithosphere that move and interact at plate boundaries.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer of the mantle on which tectonic plates float.

Front

What is subduction?

Back

The process by which one tectonic plate moves under another plate and sinks into the mantle.

Front

What is a divergent boundary?

Back

A plate boundary where two plates move away from each other.