layer we live on is called the crust, which sits on top of layer we live on is called the crust, which sits on top of

a lower layer called the mantle. Together, the crust and a lower layer called the mantle. Together, the crust and

top part of the mantle make up the Earth’s tectonic top part of the mantle make up the Earth’s tectonic

plates, which t together like puzzle pieces.plates, which t together like puzzle pieces.

There are many forces which drive plate movement in There are many forces which drive plate movement in

the Earth. The places where tectonic plates meet are the Earth. The places where tectonic plates meet are

called plate boundaries. called plate boundaries.

Volcanic eruptions and earthquakes often happen at Volcanic eruptions and earthquakes often happen at

plate boundaries. Islands, mountain ranges, and deep plate boundaries. Islands, mountain ranges, and deep

ocean trenches also form at these boundaries.ocean trenches also form at these boundaries.