Crossword Puzzle

123456789101112131415161718
Across
  1. 2. – Intelligent aquatic mammal known for echolocation
  2. 3. – Italian dish often topped with cheese, tomatoes, and other ingredients
  3. 5. – Mythical horse with a single horn
  4. 6. – Astronomer who improved the telescope and supported heliocentric theory
  5. 7. – Classical composer who wrote The Magic Flute
  6. 11. – The largest ocean on Earth
  7. 14. – Frozen dessert enjoyed worldwide, comes in many flavors
  8. 15. – Molecule that carries hereditary information
  9. 16. – Popular morning drink derived from roasted beans
  10. 17. – Color resulting from mixing blue and red (slightly tricky for artists)
  11. 18. – Microscopic organisms, some harmful, some beneficial
Down
  1. 1. – French emperor defeated at the Battle of Waterloo
  2. 4. – Inventor famous for alternating current and electrical innovations
  3. 7. – Ancient Greek philosopher who wrote The Republic
  4. 8. – Science of diagnosing, treating, and preventing disease
  5. 9. – Physicist who developed the theory of relativity
  6. 10. – Large feline often called the king of the jungle
  7. 12. – Branch of mathematics studying rates of change and accumulation
  8. 13. – Accounting book used to record financial transactions
  9. 17. – Element with symbol C, essential for organic life