Across
- 6. where medical care started
- 7. studied the heavens and was one of the first to attempt a complete description of the planets and stars and assumed that Earth was at the center of the universe
- 8. studied the sky and tried to come up with a unifying theme to explain how the planets and stars moved
- 14. the idea the living organisms can be spontaneously formed from non-living substances
- 16. assumes that the Earth is the center of the universe and the planets and stars orbit it in a series of circles
- 18. an ancient form of paper, made from a plant
- 19. a statement describing what you think will happen in an experiment
- 20. did great worth in mathematics and is the face on the Fields Medal
Down
- 1. believed to be the first true scientists
- 2. believed air was the most basic material in nature
- 3. proposed that all matter is composed of little units called atoms
- 4. this ancient medicine helped bring pain relief
- 5. believed everything is made of small material and was a student of Leucippus
- 9. the systematic study of the natural world through observation and experimentation in order to formulate general laws
- 10. developed the compass
- 11. was well known for his medical knowledge and ability to heal people travel hundreds of miles in the hope that he would be able to cure their illnesses
- 12. everything is made up of these things
- 13. came up with the incorrect idea of spontaneous generation and wrote volumes of works on philosophy, mathematics, logic, and physics
- 15. studied living organisms and is believed to be the first scientist to try to explain the origin of the human race without reference to a Creator
- 17. this was used in ancient times to treat open wounds
