SCIENCE

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Across
  1. 4. – Movement of particles from high to low concentration.
  2. 7. – Acid and alkali reacting to form salt and water.
  3. 11. – Smallest particle of an element.
  4. 12. – Releases energy through respiration.
  5. 15. – Opposition to electrical current.
  6. 18. – The rate at which energy is transferred.
  7. 19. – Living organisms and their environment.
  8. 21. – A pure substance made from one type of atom.
  9. 22. – Substance with a pH below 7.
  10. 23. – The genetic code of living things.
  11. 24. – A protein that speeds up reactions.
  12. 25. – Speeds up reactions without being used up.
  13. 26. – Two or more elements chemically joined.
  14. 27. – Controls what enters and leaves the cell.
  15. 28. – Jelly-like substance where reactions take place.
  16. 31. – Makes its own food (usually a plant).
  17. 33. – Controls the activities of the cell.
  18. 34. – Carries genetic information (DNA).
  19. 35. – Eats other organisms.
  20. 36. – The basic building block of all living things.
  21. 38. – Plants use sunlight to make glucose.
  22. 39. – Force pulling objects towards Earth.
Down
  1. 1. – Process where new substances are formed.
  2. 2. – A soluble base with a pH above 7.
  3. 3. – Releases energy from glucose.
  4. 5. – Substances mixed but not chemically joined.
  5. 6. – Electrical push that moves electrons.
  6. 8. – Movement of water through a partially permeable membrane.
  7. 9. – Force resisting movement.
  8. 10. – The ability to do work.
  9. 13. – Flow of electric charge.
  10. 14. – Change in velocity over time.
  11. 16. – A push or pull.
  12. 17. – Speed in a given direction.
  13. 20. – A section of DNA controlling characteristics.
  14. 23. – Breaks down dead plants and animals.
  15. 29. – Cell division producing identical cells.
  16. 30. – Two or more atoms bonded together.
  17. 32. – Contains chlorophyll for photosynthesis.
  18. 37. – The place where an organism lives.