Earth's Layers New
thinnest
Is the crust the thickest or the thinnest layer of Earth?
solid
Is the inner core solid or liquid?
below
Is the mantle above or below the crust?
800 miles thick
How thick is the inner core? (800, 1400, 1800, or 25 miles?)
1800 miles thick
How thick is the mantle? (800 miles, 1400 miles, 1800 miles, or 25 miles?)
1400 miles thick
How thick is the outer core? (800, 1400, 1800, or 25 miles?)
upper, middle, and lower
What are the 3 regions of the MANTLE?
convection currents
What does this show?
tectonic plates
What floats on the asthenosphere?
crust
What is A?
mantle
What is B?
outer core
What is C?
inner core
What is D?
lithosphere
What is above the asthenosphere?
asthenosphere
What is another name for the middle mantle?
convection currents
What is circular movement called?
molten rock
What is melting rock called?
solid iron and nickel
What is the inner core made of (2 metals)?
mantle
What is the largest/thickest layer of Earth?
slowly moving molten rock
What is the middle mantle (asthenosphere) made of?
liquid iron and nickel
What is the outer core made of (2 metals)?
solid rock
What is the upper mantle made of?
middle mantle
What layer does the asthenosphere belong to, the upper or middle mantle?
hot material
What rises, hot material or cool material?
cool material
What sinks, hot material or cool material
crust and upper mantle
What two parts make the lithosphere?
It moves.
When the convection currents move under the crust, what happens to the crust?
asthenosphere
Where do convection currents happen?
the inner core
Which is hotter, the inner core or the outer core?
outer core
Which is liquid, the inner core or the outer core?
inner core
Which is solid, the inner core or the outer core?
inner core
Which is the hottest layer?
the outer core
Which layer is the only ALL-LIQUID layer of the earth?
They sit on the asthenosphere which is moving molten rock!
Why do the tectonic plates move?
so much pressure in the center of the earth
Why is the inner core solid?
crust
The upper mantle and ____________ make up the lithosphere.