Exploring Earth's Layers

What is the outermost layer of the Earth?

• Inner Core

• Outer Core

• Mantle

• Crust

Which layer of the Earth is responsible for creating the Earth's magnetic field?

• Crust

• Outer Core

• Inner Core

• Mantle

What is the main composition of the Earth's crust?

• Warm, soft plastic-like rock

• Molten iron and nickel

• Solid iron and nickel

• Rocks, minerals, and soil

How thick is the Earth's outer core?

• About 2,900 kilometers

• About 5-10 kilometers

• About 2,300 kilometers

• About 30-50 kilometers

Which two layers make up the uppermost portion of the Earth's mantle?

• Inner Core and Outer Core

• Crust and Outer Core

• Lithosphere and Asthenosphere

• Asthenosphere and Outer Core

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

• About 1,000-2,000 degrees Celsius

• About 3,500-4,500 degrees Celsius

• About 2,000-3,000 degrees Celsius

• About 5,000-6,000 degrees Celsius

Which layer of the Earth is like warm, soft plastic that can flow very slowly over time?

• The Crust

• The Mantle

• The Outer Core

• The Inner Core

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core