Changing Earth Crossword

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Across
  1. 5. The liquid layer of the Earth
  2. 6. The hottest layer of the Earth
  3. 7. The widest layer of the Earth
  4. 9. When two plates move away from each other and fill up with magma
  5. 10. Small animals, insects, worms, etc cause _____
Down
  1. 1. There is physical and chemical ______
  2. 2. Two plates are moving towards each other and colliding
  3. 3. The outer shell of the Earth
  4. 4. It creates many types of landforms on Earth
  5. 8. When two plates slide along each other