T5E2 Earth's Layers

What are the four layers of the Earth?

• Core, Shell, Surface, Mantle
• Crust, Mantle, Atmosphere, Lithosphere
• Crust, Mantle, Outer Core, Inner Core
• Lithosphere, Asthenosphere, Mesosphere, Exosphere

Fill in the blank: The Earth's crust is the _____________ layer.

• Hottest

• Thinnest

• Thickest

• Most dense

Fill in the blank: The Earth's mantle is the _____________ layer.

• Hottest

• Thinnest

• Thickest

• Most dense

How do geologists study Earth's interior?

• By drilling deep into the Earth's crust

• By studying seismic waves

• By analyzing surface rocks

• By observing volcanic eruptions

What is the coolest layer of the Earth?

• Crust

• Mantle

• Inner Core

• Outer Core

Fill in the blank: The crust is the only layer that can support life, but it makes up just ______ percent of Earth's total mass.

• 1

• 10

• 5

• 15

What is the difference in pressure between the upper and lower mantle?

• The upper mantle has higher pressure compared to the lower mantle.

• The upper mantle has lower pressure compared to the lower mantle.

What causes magma to form within the upper mantle?

• Decrease in pressure

• Increase in temperature

• All of the above

Tags

NGSS.HS-ESS2-3

What is the composition of Earth's outer core?

• Solid iron and nickel

• Liquid iron and nickel

• Solid rock

• Liquid rock

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

• 3,000–4,000°C

• 4,500–5,500°C

• 5,500–6,500°C

• 6,500–7,500°C

Tags

NGSS.HS-ESS2-3