PRE-TEST “The structure of the Earth”

This structure makes up only 1% of the entire solid size of the blue planet.

• Crust

• Mantle

• Core

• Asthenosphere

Earth's inner core is

• a layer of hot rock

• a solid ball of iron and nickel

• a layer of liquid iron and nickel

• a layer of rock that forms Earth's outer skin

The crust and the uppermost mantle make up the solid layer of hard rock called the

• inner core

• asthenosphere

• lithosphere

• outer core

Pressure ______________________ as you go deeper into the Earth

• increases

• decreases 

• goes up or down depending on the layer

• stays the same

What are the two types of crust?

• top crust,bottom crust

• oceanic crust, continental crust

• water,land

• none of the above 

This layer is 66% of Earth's mass.

• Mantle

• Asthenosphere

• Oceanic Crust

• Mesosphere

How many continents do we have in the world?

• 5

• 6

• 7

• 8

Which crust is thicker?

• Oceanic

• Continental

• Divergent

• Convergent

Which word is the origin of the term "earth"?

• Sol

• Aqua

• Terra

• Ignis

What percentage of Earth's surface is covered by water?

• 50%

• 70%

• 90%

• 30%