Plate Tectonics

How thick is the portion of the crust that forms the continents?

• 5 to 8 kilometers (2 to 4 miles)

• 45 kilometers (25 miles)

How thick is the crust under the ocean?

• 5 to 8 kilometers (2 to 4 miles)

• 45 kilometers (25 miles)

What is the theory that suggests the earth's crust is made up of moving plates?

• Plate Tectonics

• Lithosphere Theory

• Mantle Movement

• Core Shifting

What is the thickness of the lithosphere?

• 5 to 8 kilometers

• 45 kilometers

• 100 kilometers

• 2 to 4 miles

Which part of the earth is the thickest?

• Inner Core

• Outer Core

• Mantle

• Crust

What are the large pieces that make up the earth's lithosphere called?

• Plates

• Rocks

• Continents

• Mantle

What is the thickness of the earth's crust?

• 5 to 8 kilometers

• 45 kilometers

• 100 kilometers

• 2 to 4 miles

Which part of the earth is the thinnest?

• Inner Core

• Outer Core

• Mantle

• Crust

What is the outermost layer of the earth called?

• Inner Core

• Outer Core

• Mantle

• Crust

What is the thickness of the crust under the ocean?

• 5 to 8 kilometers

• 45 kilometers

• 100 kilometers

• 2 to 4 miles