French Revolution

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Across
  1. 3. an optical instrument that makes distant objects appear closer, larger, and brighter by gathering and focusing light
  2. 6. step by step way of solving problems and answering questions about how the world works
  3. 8. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  4. 10. the action or process of watching someone or something to gain information
Down
  1. 1. a tentative, testable, and falsifiable explanation for a specific phenomenon or research question
  2. 2. a structured procedure carried out under controlled conditions to test a hypothesis, discover unknown effects, or illustrate scientific laws
  3. 4. the natural tendency of an object to resist changes in its state of motion
  4. 5. a model of the universe or solar system with Earth at the center
  5. 7. having or representing the sun as the center, as in the accepted astronomical model of the solar system
  6. 9. is a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.