Year 8 Science Revision

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Across
  1. 4. Rock that can floats on water
  2. 8. Naturally occurring solid substances
  3. 9. Parent rock to Gneiss
  4. 11. directly transmitted through material
  5. 14. Most common mineral
  6. 15. controls cellular transport
  7. 16. heat or electricity is directly transmitted through material
  8. 18. Complex type of cell division
  9. 20. used to look at minuscule items
  10. 21. sends signals to the brain
  11. 22. Brakes down fats
  12. 25. useful energy over energy input times 100
  13. 26. the emission of energy
Down
  1. 1. control center of the cell
  2. 2. sight of photosynthesis
  3. 3. movement that forms a current where warm air rises and then cools
  4. 5. Formed from rocks that have changed
  5. 6. contains heat for long period of time
  6. 7. Power house in a cell
  7. 10. Parent rock to marble
  8. 12. Rock type that forms from melted lava
  9. 13. Parent rock to Slate
  10. 17. strongest substance on earth
  11. 19. Potential Energy
  12. 23. Rock type that is compacted and cemented
  13. 24. Bacteria and Archae come from this family