FUN Quizzi

What is the hottest layer inside of earth

• Mantle
• Crust
• Outer core
• Inner core
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what is the thinnest layer on earth

• Earth's crust
• Mantle

• Earth's atmosphere
• Inner core

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Which layer of the Earth is made mostly of iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core

Which layer of the Earth is liquid?

• Crust

• Mantle

• Outer core

• Inner core

What is the primary cause of the Earth's magnetic field?

• Rotation of the Earth

• Convection currents in the mantle

• Molten iron movements in the outer core

• Solar winds

How does the temperature vary as one moves from the Earth's surface towards the core?

• It decreases

• It increases

• It remains constant

• It first increases, then decreases

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

• Oxygen

• Silicon

• Iron

• Nickel

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer core

• Inner core

What type of rock makes up the majority of the Earth's crust?

• Igneous

• Sedimentary

• Metamorphic

• Basaltic

What is the primary source of heat inside the Earth?

• Solar radiation

• Chemical reactions

• Radioactive decay

• Geothermal vents