The Earth's layers

The video explores the Earth's structure, detailing its four layers: the inner core, outer core, mantle, and crust. The inner core is a solid metal ball, while the outer core is liquid. The mantle is the thickest layer, and the crust is the outermost layer, divided into tectonic plates that move slowly.

What is the Earth primarily composed of?

• Five layers

• Four layers

• Three layers

• Two layers

What is the state of the outer core?

• Solid

• Plasma

• Liquid

• Gas

Which layer of the Earth is the thickest?

• Mantle

• Inner core

• Crust

• Outer core

What is the Earth's crust divided into?

• Continents

• Plates

• Mountains

• Rocks

How fast do the Earth's plates move each year?

• A few centimeters

• A few kilometers

• A few meters

• A few millimeters