Earth's Layers

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10 points

The driving force of magma movement is known as...

asthenosphere

radiation

convection currents

conduction

10 points

DIRECT evidence about the Earth's layers is gathered by drills or after -------------

measuring waves

sending submarines in the ocean

digging holes

volcanoes

10 points

Which of the following has the layers inf the correct order beginning from the outside going in?

crust, lithosphere, inner core, outer core, mantle

mantle, outer core, inner core, crust

crust, mantle, outer core, inner core

10 points

We find if difficult to study deep within the Earth because of all of the following except...

pressure

density

temperature

water

10 points

The layer of solid Earth that sits above the magma and sometimes moves in continental drift is the...

outer core

asthenosphere

lower mantle

lithosphere

10 points

The diameter of the Earth is over 7,900 mi. Humans have been able to drill about _____ mi.

100

1,000

10 points

Another name for the middle mantle is the _________________. This is where magma is present

asthenosphere

crust

atmosphere

lithosphere

10 points

Which layer is made LIQUID iron and nickel?

crust

outer core

mantle

inner core

10 points

The INDIRECT evidence we get knowledge of the Earth's layers involves the use of...

ocean waves

heat waves

seismic waves

sound waves

10.

10 points

When considering depth, which is the thickest layer?

asthenosphere

mantle

outer core

crust

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