Physical Science

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Across
  1. 1. Rate at which work is done
  2. 5. Substance that is dissolved
  3. 6. A logical, time-tested explanation
  4. 12. Lens that is thicker at the ends
  5. 14. speed in a given direction
  6. 17. The factor being tested in experiments
  7. 18. Wave with motion parallel
  8. 19. has properties of metals & nonmetals
  9. 20. Fixed pivot point of a lever
  10. 23. The unit of the frequency of a wave
  11. 24. Bouncing back of waves
  12. 25. Number of waves per unit of time
  13. 28. Wave with motion at right angles
  14. 30. involves the transfer of electrons
  15. 31. energy dependent on height
  16. 33. Push or pull that gives energy
  17. 36. the low point of a wave
  18. 38. Sound above the range of human hearing
  19. 41. Amount of space an object takes up
  20. 42. sound wave to determine distances
  21. 44. Lens thicker in the middle
  22. 48. Complete path of electricity
  23. 49. A device used to magnify objects
  24. 51. Rate of change in velocity
  25. 52. remain in motion or to stay at rest
  26. 55. An instrument that makes work easier
  27. 58. Able to be drawn into a thin wire
  28. 60. Change of a gas to a liquid
  29. 61. A device used to magnify small objects
  30. 62. charged particle
  31. 68. A positively charged particle
  32. 70. Able to be hammered into a thin sheet
  33. 72. the high point of a wave
  34. 73. Vaporization at the surface
  35. 75. The amount of matter in an object
  36. 77. Circuit with only one path
  37. 78. involves the sharing of electrons
  38. 80. decrease in the velocity of an atom
  39. 81. frequency range just above uv rays
  40. 84. Highest frequency wave
  41. 85. Substance that does the dissolving
  42. 88. The smallest part of an element
  43. 89. scale which O K is absolute zero .
  44. 93. not the same throughout
  45. 94. same throughout
  46. 96. energy is absorbed
  47. 98. Joining of two atomic nuclei
  48. 100. Tells you the Number of protons
  49. 101. Measure of the motion of molecules
  50. 102. Measure of the force due to gravity
Down
  1. 1. circuit with more than one path
  2. 2. bending of waves
  3. 3. 2 or more elements chem. combined.
  4. 4. substance changes phase
  5. 7. advantage Number of times a machine multiplies the effort force
  6. 8. A solution to a scientific problem
  7. 9. Electron in the outermost energy level
  8. 10. distance b/t two consecutive points
  9. 11. Energy of motion
  10. 13. Change of a liquid to a gas
  11. 15. Heat transfer through space
  12. 16. matter is extremely high in energy
  13. 21. wave just above visible light
  14. 22. 2 or more substances not chem. comb.
  15. 26. right side of a chemical reaction
  16. 27. all molecular motion ceases
  17. 29. bending of waves around an obstacle
  18. 32. stored energy
  19. 34. Proposed solution to a problem
  20. 35. Heat transfer by rising and falling.
  21. 37. A negatively charged particle
  22. 39. energy is released
  23. 40. Energy when a nucleus splits
  24. 43. Compound with a pH above 7
  25. 45. Force of attraction between objects
  26. 46. The center of an atom
  27. 47. Simplest type of pure substance
  28. 50. Energy that bonds atoms or ions
  29. 53. Rate at which an object moves
  30. 54. left side of a chemical reaction
  31. 56. same number of protons, not neutrons
  32. 57. Cannot be dissolved
  33. 59. substance becomes a new and different
  34. 63. The unit for resistance in electricity
  35. 64. Anything that has mass and volume
  36. 65. Number of protons and neutrons
  37. 66. energy Energy associated with motion
  38. 67. A neutral particle in the nucleus
  39. 69. Opposition to the flow of electricity
  40. 71. Mass of an object time its velocity
  41. 74. Metal Members of element Family 1
  42. 76. Force acting over a distance
  43. 79. The unit for the current
  44. 82. height of a wave
  45. 83. Compound with a pH below 7
  46. 86. Traveling disturbance
  47. 87. Ability to do work
  48. 90. The ability to do work
  49. 91. Change from solid directly to gas
  50. 92. Mass per unit volume
  51. 95. atoms combined by a covalent bond
  52. 97. Heat transfer through direct contact
  53. 99. Can be dissolved in another material