The Earth's Structure

4.5 What is the bottom innermost layer made of?

The bottom inner most layer is mostly made of Liquid rock.

5.2 How many miles thick is the crust?

The crust is 5-20 miles thick.

5.3 What is the crust made of?

The crust is made of ground and also made of many kinds of rock and including granite, sandstone and marble.

5.1 What is the crust?

The crust is the thickest layer of the earth.

2.1 How many miles thick is the inner core?

The inner core is 800 miles thick.

2.3 How hot is the inner core?

The inner core is 9,000 degrees Fahrenheit.

2.4 Why is the inner core a solid?

The inner core is a solid because it has a lot of pressure on it.

4.1 What is the mantle?

The mantle Thickest layer of the earth.

4.2 How many miles thick is the mantle?

The mantle is 1800 miles thick.

4.3 Where is the mantle located?

The mantle is located in between the crust and the outer core.

4.6 What is the whole mantle mostly made of?

The mantle is mostly made of silicon, aluminum, iron, and magnesium.

3.1 How thick is the outer core?

The outer core is 1400 miles thick.

3.5 Why is the outer core a liquid instead of a solid?

The outer core is a liquid instead of a solid Because it is not under as much pressure as the inner core.

3.2 What is the outer core made of?

The outer core is made of iron and nickel.

3.3 What is the range of temperature in the outer core?

The range of temperature in the outer core is 4000-9000 degrees Farenheit.

3.4 What is the state of matter in the outer core?

The state of matter in the outer core is Liquid.

4.4 What is the top layer?

The top layer is made of Hot solid rock.

2.2 What two metals are found in the inner core?

The two metals found in the inner core are iron and nickel.