Structure of the Earth

What is the term for the boundary where two tectonic plates move apart?

• Convergent boundary

• Transform boundary

• Divergent boundary

• Subduction zone

What is the innermost layer of the Earth called?

• Outer core

• Mantle

• Inner core

• Crust

What is the layer of the Earth that is solid and contains most of its mass?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the movement caused by warmer fluids rising and cooler fluids sinking called?

• Convection

• Conduction

• Radiation

• Evaporation

Which layer of the Earth is made of molten magma and semi-solid rock?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the layer of the Earth that is responsible for volcanic activity?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the layer of the Earth that is primarily composed of iron and nickel?

• Outer core

• Mantle

• Inner core

• Crust

What is the Earth's outermost layer called?

• Mantle

• Core

• Crust

• Lithosphere

What is the term for the boundary where two tectonic plates collide?

• Divergent boundary

• Transform boundary

• Convergent boundary

• Subduction zone

What is the term for the movement of tectonic plates?

• Tectonic activity.

• Plate tectonics.

• Seismic waves.

• Continental drift.