What is science?

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Across
  1. 4. The study of matter, energy, force and motion
  2. 6. The study of chemical processes in living organisms
  3. 7. The study of weather and climate
  4. 9. The study of nature and how it affects us
Down
  1. 1. Things that happen in nature
  2. 2. Using scientific knowledge to invent devices
  3. 3. The study of the composition and chemical properties of substances
  4. 5. The study of life
  5. 8. The study of rocks, minerals and the structure of the Earth