Integrated Science home work

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Across
  1. 4. liquid obtained after distillation
  2. 6. can be used to split white light
  3. 8. band of colors found in white light
  4. 11. emits its own light
  5. 13. can used to combine colors to form white light (two words)
  6. 15. catalyst (three words)
  7. 17. parallel rays of light meet after refraction through lens
  8. 19. stroke that precedes inlet
  9. 22. bending of light when moving from one media to another
  10. 26. center of a center(two words)
  11. 29. relights a glowing splint of wood
  12. 30. can only be transferred by solids
  13. 31. smallest building block of matter that can take part in reaction
  14. 33. quantity of matter contained in a substance
  15. 35. revolves around nucleus
  16. 36. liquids that completely mixture to not form a layer between
  17. 37. liquid obtained after fractional distillation
  18. 39. force of gravity exert on an object
Down
  1. 1. method used to separate sand and salt
  2. 2. amount matter contained in a substance
  3. 3. two or more different elements joined together
  4. 5. used to measure temperature
  5. 6. found in nucleus of an atom
  6. 7. method used to obtain salt from salt solution
  7. 9. force per unit area
  8. 10. water ......... on mercury because it is less dense
  9. 12. two or more elements joined together
  10. 14. ratio of size of image to size of object
  11. 16. used to product devices from damage due to high current
  12. 18. puts off a burning splint with a pop sound
  13. 20. used to view micro-structure of plants and animals
  14. 21. splitting of water using electricity
  15. 23. band of colors on a filter paper
  16. 24. can not be formed on the screen
  17. 25. heat transfer by electromagnetic waves
  18. 27. bouncing of light from a surface
  19. 28. space occupied by a substance
  20. 32. used to condense vapor during experiment
  21. 34. mass per unit volume
  22. 38. can be used in place of filter paper during chromatography