Year 9 Crossword

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Across
  1. 5. The movement around a pivot
  2. 10. How certain characteristics are selected
  3. 12. These are in group one of the periodic table
  4. 13. The force of particles hitting the surface
  5. 14. How close particles are in a substance
  6. 16. These are group 7 in the periodic table.
  7. 18. This is group eight in the periodic table.
Down
  1. 1. The scientist who went to the Galapagos
  2. 2. The number of protons and neutrons
  3. 3. The amount of protons and electrons
  4. 4. Contains lots of pieces of DNA
  5. 6. Particles have a lot of energy and move randomly
  6. 7. A table displaying all of the elements
  7. 8. A section of DNA which codes for a characteristic
  8. 9. Contains the code for our characteristics
  9. 11. How an organism changes due to natural selection
  10. 15. A change in an organisms DNA
  11. 17. Contains many chromosomes