Earth's Crust and Tectonic Plates

What is the lithosphere made of?

• The Earth's crust and part of the upper mantle

• Only the Earth's crust

• The Earth's mantle and core

• The Earth's outer core

How thick are tectonic plates?

• 50 kilometers

• 100 kilometers

• 200 kilometers

• 10 kilometers

Where can oceanic plates be found?

• Inside the Earth's core

• Underneath the ocean floor

• Above the Earth's crust

• Below the land we walk on

What elements make up the oceanic crust called simmer?

• Silicon and aluminum

• Aluminum and iron

• Silicon and magnesium

• Magnesium and iron

What is the continental crust called Seal made of?

• Aluminum and iron

• Magnesium and iron

• Silicon and aluminum

• Silicon and magnesium