Across
- 2. The invention that allowed scientists to magnify at very small objects.
- 4. The Greek doctor who dissected animals because he was not allowed to dissect humans.
- 5. The ancient Greek philosopher who classified plants and animals into groups.
- 6. The last name of the scientist who created the scientific method.
- 9. The study of the movement of the stars and planets.
- 15. The tests used to determine if a hypothesis is true or false.
- 17. The system of numbers that we use today.
- 18. The invention that was added to the clock to make it more accurate.
- 22. The belief that logic or reason is the main source of knowledge.
- 24. The last name of the scientist who invented a calculating machine.
- 25. The language that many Greek and Roman works were translated into in the Islamic empire.
- 26. The period in which Europeans began to use mathematics and experiments to make scientific advances.
- 27. The German astronomer who believed the planets moved in oval paths instead of circular paths.
- 28. The proposed explanation of the facts in the scientific method.
Down
- 1. The invention that helped to prove that the Earth revolves around the sun.
- 3. The first name of the Italian scientist who conducted experiments and was a great inventor of the scientific revolution.
- 4. The theory that the Earth has a force that pulls everything towards it.
- 7. The last name of the doctor who began human dissection.
- 8. The book in which Newton's three laws of motion were published.
- 10. The last name of the mathematician who made scientific publications after supposedly watching an apple fall to the ground.
- 11. The belief that the Sun is the center of the solar system.
- 12. An explanation for how or why something happens.
- 13. The invention that measures air pressure.
- 14. The belief that the Earth is the center of our solar system.
- 16. The astronomer who believed that the sun and planets moved around the Earth.
- 19. The last name of the scientist and philosopher who wrote "I think, therefore I am."
- 20. Schools in which students from all over the world came to learn science.
- 21. The Polish astronomer who developed the theory that the Sun is the center of the solar system.
- 22. The old European system of numbers.
- 23. The last name of the Dutch merchant who discovered bacteria.
