Earth's Layers & Convection Currents

Which layer of Earth is located above the outer core?

• crust

• inner core

• mantle

• lithosphere

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

• Mantle

• Innercore

• Outercore

• Crust

What is the rigid layer of the Earth's surface made up of the  crust and upper mantle called?

• asthenosphere
• lithosphere
• mesosphere
• continental crust

Temperature _____________________ as you go deeper into the earth.

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

Pressure ______________________ as you go deeper into the Earth

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

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

• asthenosphere
• crust
• lithosphere
• inner core

What are the two types of crust?

• top crust,bottom crust
• oceanic crust, continental crust
• water,land
• none of the above 

This compositional layer of Earth is the thickest part and contains most of its mass at 67%?

• crust
• outer core
• mantle
• inner core

Which of the following occurs because of convection currents?

• Tectonic plates on the crust move.
• The mantle increases in size.
• Pressure in the crust increases.
• Pressure in the crust decreases.

Tags

NGSS.MS-ESS2-1

Where does the heat come from that drives this convection current in the mantle? 

• The sun
• The crust
• the mantle
• the core

Tags

NGSS.MS-ESS2-1