Unit 3: Waves inside Earth

Front

What are the two types of crust?

Back

Continental and oceanic.

Front

What kind of plate boundary is shown here?

Back

Convergent.

Tags

NGSS.MS-ESS2-3

Front

Where is the youngest seafloor located in the Atlantic Ocean?

Back

Youngest seafloor is in the middle of the ocean.

Tags

NGSS.MS-ESS2-3

Front

Why does oceanic crust slide below the continental crust in a convergent boundary to create ocean trenches?

Back

Oceanic crust is more dense and more likely to be pushed back into the mantle.

Front

Where would the oldest rock be found?

Back

In the area labeled O.

Tags

NGSS.MS-ESS1-4

Front

What is the definition of oceanic crust?

Back

The part of Earth's crust that underlies the ocean, composed mainly of basalt.

Front

What is continental crust?

Back

The part of Earth's crust that forms the continents, primarily composed of granite.

Tags

NGSS.MS-ESS2-1

Front

What is a divergent boundary?

Back

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

Tags

NGSS.MS-ESS2-3

Front

What is a convergent boundary?

Back

A tectonic plate boundary where two plates collide or move towards each other.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What is a transform boundary?

Back

A tectonic plate boundary where two plates slide past each other horizontally.