Unit 2 lesson 5-10 flashcard review 7th grade

Front

What are the three main types of volcanoes?

Back

Composite, cinder cone, and shield volcano.

Front

How are sedimentary rocks formed?

Back

Sedimentary rocks are formed from bits of sediment being cemented together.

Front

What type of waves are the most destructive during an earthquake?

Back

Surface waves (L-waves) are the most destructive.

Front

Where do subduction zones form?

Back

At convergent plate boundaries.

Front

What is magma called when it reaches the earth's surface?

Back

Lava.

Front

What is a composite volcano?

Back

A volcano formed from explosive eruptions of lava and ash, creating a steep profile.

Front

What is a cinder cone volcano?

Back

A small, steep-sided volcano formed from the accumulation of volcanic debris.

Front

What is a shield volcano?

Back

A broad, gently sloping volcano formed by the eruption of low-viscosity lava.

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the earth's surface; lava is magma that has reached the surface.

Front

What are tectonic plates?

Back

Large sections of the Earth's crust that move and interact with each other.