Physical Science Final Exam

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Across
  1. 3. Substance containing a hydroxyl group
  2. 5. It is dissolved
  3. 7. Reaction between oxygen and a fuel
  4. 10. Force between two surfaces
  5. 12. A polymer of simple sugars
  6. 18. Unequal forces acting on an object
  7. 19. A solid formed in solution
  8. 22. An object in orbit
  9. 23. A chemical reaction where a compound breaks down
  10. 24. Amount of work done in a unit of time
  11. 25. Rise over run
  12. 27. Energy needed to start a chemical reaction
  13. 28. SI unit of length
  14. 29. A solution in which no more solute dissolves
  15. 32. A force that pulls objects down
  16. 33. The amount of substance in a given volume
  17. 35. A unit of force
  18. 36. A devise that makes work easier
  19. 39. A chemical reaction where elements in compounds switch place
  20. 41. A substance that produces hydrogen ions in water
  21. 45. Repeating unit in a polymer
  22. 47. Changing speed or direction
  23. 49. A property that describes ability to change
  24. 51. It does the dissolving
  25. 52. A chemical reaction where a complex substance is formed
  26. 53. New substance formed
Down
  1. 1. Carboxyl group
  2. 2. Resistance to a change in motion
  3. 4. Substance containing a carboxyl group
  4. 6. A unit of power
  5. 8. Hydroxyl group
  6. 9. A reaction between an acid and a base
  7. 11. A measure of how much solute can dissolve at a given temperature
  8. 13. contain only hydrogen and carbon
  9. 14. Mass times velocity
  10. 15. Type of fluid friction
  11. 16. Combination of forces acting on an object
  12. 17. Substance in the beginning of a reaction.
  13. 20. Absorbs heat
  14. 21. A substance that produces hydroxide ions in water
  15. 26. The force of gravity on an object
  16. 30. Releases heat
  17. 31. A well mixed mixture
  18. 34. DNA and RNA
  19. 37. A number in front of a chemical formula
  20. 38. Distance divided by time interval
  21. 40. A property that can be observed without changing the substance
  22. 42. A unit of energy
  23. 43. Speed and direction
  24. 44. A polymer of amino acids
  25. 46. Anything that has mass and volume
  26. 48. Force times distance
  27. 50. A scale which measures acidity