Science

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Across
  1. 2. A specific period of time
  2. 3. Genes that cause cancer
  3. 4. A scientist that studies rocks
  4. 7. A scientist that studies space
  5. 10. A serious disease that causes tumors to grow in the body
  6. 12. A type of matter that is mostly invisible
  7. 13. The lightest chemical element
  8. 15. The capacity or power to do work
  9. 16. The heaviest chemical element
  10. 17. The fourth type of matter
  11. 19. A burning ball of gas that is very hot
Down
  1. 1. A scientist that studies living things
  2. 2. Refers to devices such as phones or computers
  3. 5. The study of cells
  4. 6. A living thing
  5. 8. The study of living things
  6. 9. A natural thing that is not an animal or plant
  7. 11. Giant cloud of dust and gas in space
  8. 14. The smallest unit of any living thing
  9. 18. The soft inside of a bone