Across
- 5. Set up Line of Demarcation
- 6. Unproved theory used in the scientific method
- 7. telescope In 1668, Issac Newton was the first to put mirrors in this telescope to improve the image seen
- 9. First of mankind to see cells and microorganisms
- 10. Created two-part naming system for classifying species
- 12. Credited with being first to circumnavigate Earth
- 14. Published "On the Revolutions of the Heavenly Spheres"
- 16. telescope Invention constructed by Galileo Galilei in Italy further proving astronomical theories
- 17. Used Tyco Brahe's research to discover the orbits of the plants around the sun and discovered that the planets move in an ellipse
- 18. Introduced idea of chemical elements
- 19. method Step-by-step process done to prove or further prove a theory
- 20. Force discovered by Isaac Newton that pulls objects to Earth's core
Down
- 1. Type of mathematics developed by Isaac Newton where calculations through the use of certain scientific notations
- 2. Born October 31, 1451, married Felipa Perestrello, and sailed the ocean blue in 1492 in the Santa Maria
- 3. Discovered oxygen in 1774
- 4. Provided evidence for Copernicus's heliocentric theory through an astronomical observatory in the late 1500s
- 8. Englishman who emphasized experimentation and observation and argued that truth is discovered after investigation
- 11. Invented geometric and military compass
- 13. Person was the first to explain the circulation of blood
- 15. Centered around the sun