Earth's Layers

What is the outermost layer of the Earth called?

• Mantle

• Crust

• Outer Core

• Inner Core

What is the main component of the Earth's outer core?

• Solid iron

• Liquid iron

• Silicate rocks

• Granite

Which layer of the Earth is solid and composed mainly of iron?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the Earth is the thinnest?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the primary reason the inner core is solid despite high temperatures?

• Low pressure

• High pressure

• Low temperature

• High density

Tags

NGSS.HS-ESS2-3

What is the term for the large sections of the Earth's crust that move over the mantle?

• Tectonic Plates

• Continental Shelves

• Oceanic Ridges

• Volcanic Arcs

Tags

NGSS.MS-ESS2-3

Which layer of the Earth is known for its plasticity, allowing tectonic plates to move?

• Crust

• Asthenosphere

• Outer Core

• Inner Core

Tags

NGSS.MS-ESS2-3

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the name of the supercontinent that existed around 300 million years ago?

• Gondwana

• Laurasia

• Pangaea

• Eurasia

Tags

NGSS.MS-ESS2-3

Which layer of the Earth is directly beneath the crust?

• Outer Core

• Inner Core

• Mantle

• Lithosphere