Layers of the Earth Quiz

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

What is the name of the semi-solid layer of rock below the Earth's crust?

• Core

• Lithosphere

• Crust

• Mantle

What is the center of the Earth made of?

• Solid rock

• Semi-solid rock

• Super hot, dense metal

• Liquid magma

What drives the movement of tectonic plates?

• Rotation of the Earth

• Wind

• Heat from the core

• Gravitational pull from the moon

Which mechanical layer of the Earth is described as "stiff plastic" and ranges from 350-2900 km in depth?

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer core

What does the theory of plate tectonics state about the Earth's crust?

• It is solid and unbreakable.

• It is broken up into tectonic plates.

• It is completely liquid.

• It is uniform throughout the Earth.

Why do tectonic plates move according to the theory of plate tectonics?

• Because of the rotation of the Earth.

• Because of the gravitational pull of the moon.

• Because they are carried along by convection currents in the Mantle.

• Because of the expansion of the Earth.

What is the primary force that drives the movement of tectonic plates according to the diagram?

• Centrifugal force

• Convection currents

• Magnetic fields

• Solar winds

Who introduced the theory of plate tectonics?

• Charles Darwin

• Isaac Newton

• Albert Einstein

• Alfred Wegener

What does the theory of plate tectonics describe?

• The composition of the Earth's core

• The movement of broken pieces on the Earth's surface

• The process of mountain formation

• The cycle of water evaporation and precipitation