January 23, 2020 - Earth's Layers

Which layer is composed mostly of iron?

• Z

• Y

• V

• X

Which layer is the thinnest?

• V

• Z

• Y

• X

Which layer is the solid, inner core?

• W

• V

• X

• Y

Which layer is the liquid outer core?

• Y

• Z

• V

• W

Which layer has convection currents where the hot, less dense magma rises and the cooler, dense magma sinks?

• inner core

• outer core

• mantle

• crust

Tags

NGSS.MS-ESS2-1

What is the top layer of the Earth's surface called? 

• Mantle
• Innercore
• Outercore
• Crust

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Tags

NGSS.MS-PS3-4

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core

This type of crust overlies the ocean basins

• continental

• crustal

• oceanic

• volcanic