Earth's Layers Quiz

What is the state of the Outer Core?

• Solid

• Liquid

• Gas

• Plasma

Which layer of the Earth is described as a "metal ball 2500 km wide"?

• Continental Crust

• Upper Mantle

• Inner Core

• Lower Mantle

What is the composition of the Inner Core?

• Iron and nickel

• Iron, magnesium, silicon, aluminum

• Metamorphic rocks, sedimentary rock, granite

• Iron, nickel, sulfur

Who proposed the Theory of Continental Drift in 1915?

• Isaac Newton

• Alfred Wegener

• Charles Darwin

• Albert Einstein

What is the distance below the surface for the Outer Core?

• 8-70 km

• 670 km

• 670-2890 km

• 5150 km

What is the Tectonic Fit evidence based on?

• Modern mountain ranges

• Fragments of an old fold mountain belt

• Recent volcanic activity

• Current earthquake patterns

What is an example of a convergent plate boundary?

• The Red Sea

• The East African Rifts

• The collision between the Australian Plate and the Pacific Plate

• The Mid-Atlantic Ridge

What happens at a divergent plate boundary?

• Plates move together and collide

• Plates move apart

• Plates remain stationary

• Plates move in circles

What is the geological significance of cratons found in South America and West Africa?

• They are recent formations

• They are over 2,000 million years old

• They are unrelated to each other

• They are less than 1,000 million years old

What is the movement described at a convergent plate boundary?

• Plates move apart

• Plates move together and collide

• Plates remain stationary

• Plates move in circles