What is the innermost part of the Earth called?
What is the layer of the Earth under the crust called?
What state is the outer core?
What state is the inner core?
Name the four layers of the Earth
Crust, mantle, outer core, inner core
What is the most common element in the Earth's crust?
What is the atmosphere?
A mixture of gases that surrounds the Earth
What is the part of the atmosphere closest to the Earth called?
Which two elements make up most of the troposphere?
Oxygen and nitrogen
The substances in the mantle are mainly in the _____ state
The substances in the mantle are mainly in the solid state
Can substances in the mantle flow?
Which layer of the Earth is 8km-40km thick?
What is the outermost part of the Earth called?