Science fair

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Across
  1. 2. The study of the natural world through observation and experiment.
  2. 4. A branch of physics dealing with motion and forces.
  3. 5. The application of scientific knowledge for practical purposes.
  4. 7. The quality of producing results without waste.
  5. 9. Physical health and strength.
  6. 12. The surroundings or conditions in which an organism lives.
  7. 15. The process by which a plant grows from a seed.
  8. 18. A scientific guess or proposed explanation.
Down
  1. 1. Energy derived from resources that replenish naturally.
  2. 3. The flow of electric charge that powers devices.
  3. 6. A test or procedure conducted to prove a theory.
  4. 8. Cultivating land for crops and livestock.
  5. 10. Substances that provide nourishment essential for growth.
  6. 11. Energy harnessed from the sun.
  7. 13. Essential materials like water, air, and minerals from the Earth.
  8. 14. A collective community in Israel, often based on agriculture.
  9. 16. A solar power plant located in Israel.
  10. 17. The capacity to do work, often associated with power.