What is science?

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Across
  1. 3. The study of nature and how it affects us and our environment
  2. 4. The study of chemicals
  3. 5. Things that occur in nature
  4. 7. The study of matter, energy, force and motion
  5. 8. The study of weather and climate
  6. 10. Using scientific knowledge to create useful devices
  7. 11. The study of planets and stars
Down
  1. 1. The study of life
  2. 2. The study of chemical processes in living organisms
  3. 6. The science of cultivating land for growing food and raising livestock
  4. 9. The study of rocks, minerals and the structure of the Earth
  5. 12. What objects are composed of