MY CROSSWORD PUZZLE

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Across
  1. 3. Element found in all life
  2. 6. Being treated the same
  3. 9. Man's best friend
  4. 10. Beliefs and customs of a society
  5. 14. Fair treatment for all
  6. 16. Study of past events
  7. 18. Average weather over time
  8. 19. Shaking ground event
  9. 20. Study of elements and compounds
  10. 21. Math with letters and numbers
  11. 23. Plants use sunlight for food
  12. 25. Using symbols to represent ideas
  13. 27. Right to act or speak freely
  14. 28. Likes to chase mice
  15. 29. Giant sea wave caused by quake
Down
  1. 1. Force that pulls things down
  2. 2. Words we use to communicate
  3. 4. Gas essential for breathing
  4. 5. Study of living things
  5. 7. Microscopic living things
  6. 8. Large marsupial
  7. 9. People have the power
  8. 11. Involving computers or screens
  9. 12. Comparison without using “like”
  10. 13. A long fictional story
  11. 15. Has a trunk
  12. 17. Community of living organisms
  13. 22. Cluster of stars and planets
  14. 24. Erupts with lava
  15. 26. Flying mammal