Science

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Across
  1. 5. Movement of particles from high concentration to low concentration.
  2. 6. Chemical that changes color in acids or alkalis.
  3. 8. State of matter that flows and takes the shape of its container.
  4. 10. Separation method using paper and solvent.
  5. 12. A group of similar cells working together.
  6. 13. Organs working together to perform a function.
  7. 16. Substance that is dissolved in a solution.
  8. 17. Energy stored in food.
  9. 18. Substance that dissolves another substance.
  10. 19. Reaction between an acid and a base forming salt and water.
  11. 21. Forces that cause a change in motion.
  12. 22. Gas needed for breathing.
  13. 24. Organ that filters blood and produces urine.
  14. 25. A mixture where one substance dissolves in another.
  15. 29. The hard structure that supports the body.
  16. 30. Force that slows motion when surfaces rub together.
Down
  1. 1. A fuel formed from dead plants and animals over millions of years.
  2. 2. Tissue that contracts to move body parts.
  3. 3. An organ that pumps blood around the body.
  4. 4. Instrument used to view very small objects.
  5. 7. Forces that cancel each other out.
  6. 9. Process used to separate liquids by boiling points.
  7. 11. Push or pull acting on an object.
  8. 14. State of matter with fixed shape and volume.
  9. 15. Basic unit of life.
  10. 20. A substance with pH lower than 7.
  11. 23. Process where liquid turns into gas at the surface.
  12. 26. Organs used for breathing.
  13. 27. Random movement of particles in a liquid or gas.
  14. 28. State of matter that spreads out to fill a container.