Unit 3, Lesson 1

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Across
  1. 3. a physical property (p. 171)
  2. 7. made of solid iron and nickel (p. 171)
  3. 10. the only liquid layer of Earth(p. 171)
  4. 12. outer layer in compositional model of Earth (p. 170)
  5. 15. separation based on density (p. 168)
  6. 16. most dense layer in three layer model(p. 170)
  7. 17. low density minerals in Earth's crust (p. 170)
Down
  1. 1. energy released by an earthquake (p.172)
  2. 2. outermost physical layer of Earth (p. 171)
  3. 4. melted (p. 168)
  4. 5. can travel through Earth’s core (p. 174)
  5. 6. the middle layer in the five layer model (p. 171)
  6. 8. chemical makeup of a substance (p. 170)
  7. 9. one source of Earth's heat (p. 167)
  8. 11. the force that pulls matter towards Earth (p.166) 's center
  9. 13. travel only through solids (p. 173)
  10. 14. middle layer in three layer model of Earth (p. 170)