Quiz on Earth's Layers

What are the three main compositional layers of the Earth?

• Crust, Mantle, Core

• Lithosphere, Asthenosphere, Mesosphere

• Mantle, Core, Lithosphere

• Outer Core, Inner Core, Crust

Which part of a peach is analogous to the Earth's mantle?

• The skin

• The pit

• The meat

• The seed

What is the main difference between oceanic and continental crust?

• Oceanic crust is thicker

• Continental crust is denser

• Oceanic crust is denser

• Continental crust is made of metal

Why is the Earth's crust less dense than the mantle?

• It contains more iron

• It is made of lighter materials like silicone

• It is closer to the surface

• It is cooler than the mantle

What distinguishes the physical layers of the Earth?

• Their size

• Their strength and rigidity

• Their temperature

• Their color

Which layer of the Earth is described as elastic and putty-like?

• Mesosphere

• Asthenosphere

• Inner Core

• Lithosphere

What is the primary composition of the Earth's outer core?

• Ice

• Gas

• Liquid metal

• Solid rock

Which layer of the Earth is solid due to the pressure of the layers above it?

• Asthenosphere

• Outer Core

• Inner Core

• Mesosphere

Which layer of the Earth is known as the 'rock sphere'?

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer Core

What causes the inner core to be solid despite high temperatures?

• Low temperature

• Lack of metals

• High pressure from above layers

• Presence of water