Year 7 Science

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Across
  1. 5. Jelly-like substance where chemical reactions happen.
  2. 8. State of matter with fixed volume but no fixed shape.
  3. 10. The joining of a sperm cell and an egg cell.
  4. 11. The force that pulls objects towards Earth.
  5. 12. Contains chlorophyll for photosynthesis.
  6. 16. Controls the activities of a cell.
  7. 18. The basic unit of life.
  8. 19. Two or more atoms bonded together.
  9. 20. The female reproductive cell.
  10. 22. The early stage of development after fertilisation.
  11. 24. A substance made from two or more elements chemically joined.
  12. 26. Controls what enters and leaves the cell.
  13. 28. The amount of matter in an object.
  14. 29. State of matter with fixed shape and volume.
Down
  1. 1. A push or a pull.
  2. 2. Releases energy through respiration.
  3. 3. State of matter with no fixed shape or volume.
  4. 4. Movement of particles from high to low concentration.
  5. 6. Two or more substances that are not chemically joined.
  6. 7. The force caused by gravity acting on a mass.
  7. 9. Tiny piece of matter.
  8. 10. A force that opposes motion.
  9. 13. Distance travelled every second.
  10. 14. A space in plant cells containing cell sap.
  11. 15. The male reproductive cell.
  12. 17. Speed in a given direction.
  13. 20. A substance made from only one type of atom.
  14. 21. The stage when a child's body matures into an adult body.
  15. 23. The stage of development after the embryo.
  16. 25. Amount of mass in a given volume.
  17. 27. The smallest particle of an element.