Earth Layers & Plate Tectonics

Front

What machine do scientists use to study earthquakes?

Back

Seismograph

Front

What causes tectonic plates to move?

Back

Heated currents deep within Earth

Front

What are the layers of Earth?

Back

Crust, mantle, outer core, and inner core

Front

What is the solid layer of the Earth made mostly of iron and nickel?

Back

Inner Core

Front

What are the borders or cracks between tectonic plates called?

Back

Faults

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth located between the crust and the outer core?

Back

Mantle

Front

What is the liquid layer surrounding the inner core?

Back

Outer Core

Front

What type of plate boundary occurs when two plates move apart?

Back

Divergent boundary

Front

What type of plate boundary occurs when two plates collide?

Back

Convergent boundary