Tectonic Plates

Front

Tectonic plates float on top of the ________

Back

Mantle

Front

The ______ is the layer of the Earth under the crust.

Back

Mantle

Front

Volcanoes are formed when which type of crust subducts under another plate?

Back

Oceanic

Front

Which of these is NOT a type of plate boundary?

Back

Tangent

Front

Which of the following statements best explains how this volcano could have formed and erupted?

Back

Denser oceanic crust was forced under less dense continental crust, causing the oceanic crust to heat up, melt, and flow upward.

Front

What are tectonic plates?

Back

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

Front

What is the lithosphere?

Back

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

Front

What is subduction?

Back

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

Front

What are the three main types of plate boundaries?

Back

Convergent, Divergent, and Transform.

Front

What happens at a convergent boundary?

Back

Two tectonic plates collide, which can cause mountains to form or one plate to subduct.