The Big Review || Earth's Systems

Which of these two layers is a solid?

• innercore
• Outercore

Which best describes the asthenosphere?

• molten metal
• dense, solid metal ball
• solid that flows
• dry land and ocean floor

Is the outer core a liquid or solid?

• liquid
• solid

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

How have scientists been able to study Earth's mantle?

• In some places, Earth's crust thins enough to see mantle.

• Earth's surface heat warms the crust turning it into mantle.

• Cooling crust material becomes mantle over time.

• In some places, mantle rock pushes to Earth's surface.

What layer is 1?

• Crust
• Mantel
• Outer Core
• Inner Core

What layer is 2?

• Crust 
• Mantel
• Outer Core
• Inner Core

What Layer is 3?

• Crust
• Mantle
• Outer Core
• Inner Core

What layer is 4?

• Crust
• Mantel
• Outer Core
• Inner Core