Scientific Revolution

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Across
  1. 2. The third step in the Scientific Method.
  2. 4. The force by which a planet or other body draws objects toward its center.
  3. 6. This man challenged the church stating that the sun was the center of the universe.
  4. 7. Galileo made the first modern one of these to discover other planets.
Down
  1. 1. A supposition or a system of ideas intended to explain something.
  2. 3. The systematic study of the structure and behavior of the physical and natural world.
  3. 5. The last name of the man who made a method to test everything we know.