CFA 5 Review - Earth Science Grade 6

What layer is a semisolid and acts like a plastic?

• Lithosphere
• Mantle
• Asthenosphere

The thinnest layer of the Earth is?

• Mantle
• Lithosphere
• Athenosphere
• Crust

The lithosphere combines what two layers?

• Athenosphere & Crust
• Crust & Upper Mantel
• Mantel & Athenosphere

The asthenosphere makes up the?

• Upper portion of the mantel
• The lower portion of the crust
• Just the Athenosphere

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust

What is the name of the layer that contains the uppermost mantle and crust

• Asthenosphere
• Mesosphere
• Lithosphere
• Transosphere

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

Tags

NGSS.HS-ESS2-3

Identify layer  #20.

• mantle
• asthenosphere
• inner core
• outer core

Less dense materials rise to the top.

• True
• False

Oceanic crust is thicker than continental crust.

• True
• False