Fill in the Blanks Layers of the Earth-definitionOnline version Add the missing words by Mary Hattick 1 core core crust core mantle crust mantle core The top layer of the earth is called the . This is where we all live . Below the is the . It is the largest layer . The is below the and has two parts . The outer is made up of iron and is so hot it is liquid . Below the outer is the inner . It is under so much pressure that it is solid .