Science recap

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Across
  1. 2. this type of radiation has a charge of -1. It can get through paper but is stopped by a few mm of Aluminium
  2. 4. the word used when a gas turns into a liquid
  3. 8. this particle has no charge and is found in the nucleus
  4. 9. this is found in animal and plant cells. It contains the DNA and controls the cell
  5. 10. this is a type of cell division that forms gametes (sperm and egg cells)
  6. 11. to calculate the density of an object you do the mass divided by the...
  7. 13. this type of radiation is a wave. It is only really reduced by thick lead
  8. 15. this part of a plant takes in the water needed for photosynthesis
  9. 17. the word used when a liquid turns into a gas
  10. 18. this is only found in plant cells - they contain lots of chlorophyll
  11. 19. this gas is taken in by the plants during photosynthesis - carbon _ _ _ _ _ _ _
  12. 20. this type of blood cells fights against disease and infection
Down
  1. 1. this particle has a positive charge and is found in the nucleus
  2. 3. this was the first sub-atomic particle discovered by JJ Thomson. It has a negative charge
  3. 5. this is a type of cell division which produces two identical copies of the cell
  4. 6. this type of blood cell carries oxygen round the body
  5. 7. the word used when a liquid turns into a solid
  6. 10. this is found in animal and plant cells - it is the cell _ _ _ _ _ _ _ _
  7. 12. this type of radiation has a charge of +2. It is easily stopped by paper or skin
  8. 14. the word used when a solid turns into a liquid
  9. 16. photosynthesis produces glucose and this gas
  10. 21. if an element has the same number of protons but a different number of neutrons it is called an...