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Across 1. Determined that the body was made up of individual cells 3. supported Copernicus but thought planets traveled in ovals not circles 6. scientific law that says the earth has a pull on everything in it 7. Developed the Scientific method 10. used by Galileo to prove Copernicus' theory 13. Thought that the sun was the center of the universe instead of the earth 14. Egyptian astronomer who thought sun and planets moved around the earth 15. claimed mathematics was the source of all scientific proof 16. object that fell on Newton's head, giving him the idea of gravity 17. after observing facts, you must find a______ to explain what happened

Down 1. Discovered that the heart pumps blood 2. ancient Greek physiscian (doctor) whose ideas everyone until scientific revolution 4. New kind of mathematics developed by Newton 5. invented the water thermometer, proved objects fell at same rate. condemned by the church 7. Instrument that measures air pressure 8. What Robert Hooke used to see cells for the first time 9. ancient Greek philosopher who collected scientific observations and grouped them for study 10. explanation of how something works 11. Descartes founded this idea 12. the study of heavenly bodies like stars, the sun and planets