Yr9 Christmas Revision

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Across
  1. 3. The type of wave where the energy moves parallel to the direction of travel
  2. 5. The unit of force
  3. 8. A type of allele that is always expressed in an organism
  4. 10. The force that slows down a parachute jumper
  5. 11. Darwin came up with this theory
  6. 12. A type of allele that is only expressed if we inherit two copies
  7. 15. A measure of how many different species are in a specific area
  8. 17. Plants use this process to make energy
  9. 18. A type of graph you would plot continuous data on
Down
  1. 1. The force that slows down an object moving across a surface
  2. 2. The way that energy is transferred in solids
  3. 4. The way that energy is transferred through liquids and gases
  4. 6. Other than glucose, what is needed for respiration to take place
  5. 7. Variables you keep the same
  6. 9. The variable you change
  7. 13. Data that can be put into set categories
  8. 14. The type of wave where the energy moves at right angles to the direction of travel
  9. 16. What species did Darwin study on the Galapagos Islands
  10. 19. A trait that helps an individual to survive