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Across 1. The galaxy we live in 6. scale on which the magnitude of earthquakes is measured 7. This gives blood its red color 8. Spiders, ticks, scorpions, e.g 11. polaris (3 Words) 14. third planet from the sun 15. Its chemical symbol is K 19. An element found in water 20. Pumping chamber of the heart 23. type of sugar found in blood 24. largest land mammal 25. the softest mineral

Down 2. fear of cats 3. The father of modern medicine 4. Pluto's moon 5. Disease also known as lock jaw 7. the funny bone 9. Laughing gas (2 Words) 10. the study of earthquakes 12. Most abundant gas in the air we breathe 13. most abundant type of metal 15. Main food source of whales 16. The bones of the spine 17. Fool's gold 18. the auditory portion of the inner ear 21. One of Jupiter's moons 22. The stage where a caterpillar turns into a butterfly