Earth's Layers Quiz

Which layer of the Earth is the thinnest?

• Crust

• Mantle

• Outer core

• Inner core

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

• Liquid iron

• Solid rock

• Molten rock

• Gas

Tags

NGSS.MS-ESS3-1

Which layer of the Earth is directly below the crust?

• Outer core

• Inner core

• Mantle

• Asthenosphere

Tags

NGSS.MS-ESS2-1

What is the approximate thickness of the Earth's crust under the oceans?

• 5-10 km

• 30-50 km

• 100-150 km

• 200-250 km

The hottest layer of the Earth is (a)  

• Crust
• Mantle
• Outer core
• Inner core

The state of matter of the outer core is (a)  

• Solid
• Liquid
• Gas

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

• Crust

• Mantle

• Outer core

• Inner core

The thickest layer of the Earth is the (a)  

• Crust
• Mantle
• Outer core
• Inner core

What is the state of matter of the inner core?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.HS-ESS2-3

Match the following scientific instruments with their uses.

• Used to measure atmospheric pressure.

• Microscope

• Used to view small objects or organisms.

• Seismograph

• Used to study the Earth's interior.

• Barometer

• Used to observe distant celestial objects.

• Telescope