Earth's Layers
Crust
Mantle
Core
True/False
100

What is the Earth's outermost layer?

Crust

100

What are the two types of crust?

oceanic and continental
100

What is Earth's mantle mostly made up of?

Magma

100

Earth's inner core is made up of solid __________.

metal

100

The contintental crust is 20-30 miles thick.

True

200

What is the 2nd largest (thickest) layer of the Earth?

outer core

200

Earth's crust is thin like the ___________.

skin of an apple

200

What is the maximum thickness of Earth's mantle?

1850 miles

200

Earth's inner core _____________ fast than Earth rotates.

spins faster

200

The oceanic crust is 3-100 feet thick.

False
300

What layer of the Earth is the most dense?

inner core

300

Which crust is younger and thinner?

oceanic

300

What is the average temperature of the mantle?

about 3000 degrees celcius

300

About how thick is Earth's inner core?

758 miles thick

300

The continental crust is made up mostly of iron.

False

400

Both the oceanic and continental crust can be found on ____________. 

tectonic plates

400

What is the oceanic crust made up of?

Basalt

400

What percentage of Earth's volume is made up of the mantle?

83%

400

What does Earth's outer core creates?

Earth's magnetic field

400

The oceanic crust is more dense than the continental crust.

True