Crossword of Curiosity

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Across
  1. 3. A substance that speeds up a chemical reaction without being used up.
  2. 5. Method used to separate an insoluble solid from a liquid.
  3. 10. The planting of trees to create or restore forests.
  4. 12. A solid whose particles are arranged in a regular repeating pattern.
  5. 14. Change of a gas into a liquid on cooling.
  6. 16. A grooved wheel used to lift heavy loads.
  7. 19. A transparent object that separates white light into seven colours.
  8. 20. A feature that helps an organism survive in its habitat.
  9. 22. SI unit of force, named after a famous scientist.
  10. 23. A streak of light produced when a space rock burns in Earth's atmosphere.
  11. 24. An event in which one celestial body blocks the light of another.
  12. 27. A group of similar cells performing the same function.
  13. 28. Slow destruction of metals due to reaction with the environment.
  14. 30. Structure made of different tissues working together.
Down
  1. 1. Using resources responsibly so future generations can also benefit.
  2. 2. A biological catalyst that speeds up reactions in living organisms.
  3. 4. A mixture of two or more metals, or a metal with another element.
  4. 6. Instrument used to measure temperature.
  5. 7. A rocky object orbiting the Sun, mostly found between Mars and Jupiter.
  6. 8. A simple machine used to multiply force.
  7. 9. A material through which electricity flows easily.
  8. 11. The tendency of an object to resist changes in its state of motion.
  9. 13. Nutrient-rich material produced from decomposed organic waste.
  10. 15. The bending of light as it passes from one medium to another.
  11. 17. An ecosystem where land remains saturated with water.
  12. 18. An animal that eats both plants and animals.
  13. 21. An animal that possesses a backbone.
  14. 25. Transfer of pollen from anther to stigma.
  15. 26. Atoms of the same element having different numbers of neutrons.
  16. 29. A type of rock formed from compacted layers of sediments.