Year 8 Science - structure of the Earth

1234567891011121314
Across
  1. 3. the ______ theory was proposed in the 1800s
  2. 5. the _______ ________ theory was proposed in 1912
  3. 7. the layer of the Earth that consists of molten iron and nickel
  4. 9. the outermost layer of the Earth
  5. 10. the name of the ancient supercontinent
  6. 12. the blanket of gases that surrounds the Earth
  7. 13. the name of a scientist who studies the Earth and its structure
  8. 14. the waves produced by earthquakes are called _____ waves
Down
  1. 1. the name of the ancient sea
  2. 2. the innermost layer of the earth
  3. 4. another name for the crust
  4. 6. the preserved remains of ancient creatures
  5. 8. the thickest layer of the Earth which is made of partly molten rock
  6. 11. the highest mountain range on land