Year 9 Structure of the Earth Quiz

What are the three main layers of the Earth?

• lithosphere, asthenosphere, and mesosphere

• crust, inner core, and outer core

• oceanic crust, continental crust, and upper mantle

• crust, mantle, and core

Which layer of the Earth is the thinnest?

• crust

• mantle

• inner core

• outer core

What is the composition of the Earth's inner core?

• Carbon and oxygen

• Aluminum and copper

• Gold and silver

• Iron and nickel

How does the composition of the Earth's mantle differ from the crust?

• The Earth's mantle is made of solid gold, while the crust is made of sand and rocks

• The Earth's mantle is composed of gases like oxygen and nitrogen, while the crust is composed of metals like iron and copper

• The Earth's mantle is composed of denser materials such as silicate minerals, while the crust is composed of lighter materials like granite and basalt.

• The Earth's mantle is composed of water and ice, while the crust is composed of molten lava

What is the outermost layer of the Earth called?

• mantle

• core

• crust

• atmosphere

What are the two most abundant elements in the Earth's crust?

• Oxygen and silicon

• Iron and Aluminum

• Carbon and Nitrogen

• Hydrogen and Helium

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the temperature of the Earth's core?

• 5000 - 7000 degrees Celsius

• 3000 - 5000 degrees Celsius

• 1000 - 3000 degrees Celsius

• 0 - 1000 degrees Celsius

What is the Earth's lithosphere made up of?

• Crust and Upper Mantle

• Crust and Inner Core

• Mantle and Outer Core

• Outer Core and Inner Core