Layers of the Earth Crossword Puzzle

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Across
  1. 2. The thinnest and least dense layer of the Earth.
  2. 4. Second least dense layer of the Earth which is divided into 2 regions and is made of mostly magma
  3. 5. Second densest layer of the Earth. Is made of mostly liquid iron and nickel.
Down
  1. 1. Vibrations caused by earthquakes and tectonic plate movement.
  2. 2. The cyclical process by which hot material rises, cools, and then sinks.
  3. 3. Densest layer of the Earth. Is solid and located at the center of the Earth.