SC - Plate Tectonics Quiz

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

• Iron

• Oxygen

• Nickel

• Sulphur

Approximately how thick is the Earth's inner core?

• 2,400 km

• 1,220 km

• 2,900 km

• 40 km

What is the estimated temperature of the Earth's inner core?

• 2,000°C

• 1,000°C

• 5,500°C

• 3,000–4,000°C

What is the Earth's outer core primarily composed of?

• Iron and Oxygen

• Nickel and Sulphur

• Iron and Nickel

• Iron and Sulphur

What is the thickness of the Earth's mantle?

• 1,220 km

• 2,400 km

• 2,900 km

• 40 km

Which layer of the Earth is the outermost?

• Outer Core

• Inner Core

• Crust

• Mantle

What are the two main parts of the Earth's crust?

• Inner crust and Outer crust

• Oceanic crust and Continental crust

• Primary crust and Secondary crust

• Upper crust and Lower crust

What is the theory of continental drift associated with?

• Isaac Newton

• Albert Einstein

• Harry Hess

• Alfred Wegener

What was the name of the supercontinent proposed by Alfred Wegener?

• Pangaea

• Gondwanaland

• Atlantis

• Laurasia

Which of the following is NOT one of Wegener's proofs for continental drift?

• Matching animal fossils

• Matching ocean currents

• Matching rock folds

• Matching plant fossils