Earth’s Interior

Multiple Choice

Which layer of Earth is the hottest?

• Inner core
• Crust
• Mantle
• Outer core

Multiple Choice

What is the state of matter in the outer core?

• Plasma
• Liquid
• Gas
• Solid

Multiple Choice

Which evidence helps scientists learn about Earth’s interior?

• Ocean currents
• Surface temperature
• Magnetic fields
• Seismic waves