Earths structures

12345
Across
  1. 3. the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel
  2. 5. it is made of solid rocks and minerals, the mantle is beneath this also.
Down
  1. 1. It is mostly made up of iron, It is very hot and is a solid.
  2. 2. the ____________ is the rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle.
  3. 4. The ______ is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.