Physical Science Review

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Across
  1. 3. the resistance to acceleration
  2. 5. the ability to do work or cause change
  3. 8. work divided by time
  4. 9. speed plus a direction
  5. 10. an atom with unequal + and - charges
  6. 11. heat transfer where matter is not needed
  7. 14. the ratio between the mass of an object and the volume it occupies
  8. 17. made up of two or more simple machines
  9. 18. force equal forces applied from all sides, no motion
  10. 21. another name for the outermost electrons of an atom
  11. 23. two protons, two neutrons
  12. 26. resistance to motion experienced by an object moving through a fluid
  13. 27. what elements are arranged by on the periodic table
  14. 29. force applied over a distance
  15. 31. the energy of position
  16. 33. a type of matter that cannot be broken down further
  17. 34. the smallest part of matter
  18. 35. thermal energy and mass combined
  19. 36. mass times velocity
  20. 39. heat transfer via direct contact
  21. 42. a change in velocity
  22. 43. columns on the periodic table
  23. 44. made up of noble gasses, halogens and a few other elements
  24. 45. neutrons + protons
  25. 48. must be overcome to make something move
Down
  1. 1. has no charge, located inside the nucleus
  2. 2. rows on the periodic table
  3. 4. a measurement of the average kinetic energy of the molecules of a substance
  4. 5. has a negative charge, located outside the nucleus
  5. 6. the total amount of ground covered
  6. 7. heat transfer seen in gasses and liquids
  7. 12. shows properties of malleability and ductility
  8. 13. given by machines
  9. 15. force the only way motion is possible
  10. 16. the energy of motion, all moving things have this kind of energy
  11. 19. an electron from the nucleus
  12. 20. resistance of an object sliding across a surface
  13. 22. force = mass x acceleration
  14. 24. has a positive charge, located in the nucleus
  15. 25. the difference in position between your starting point and stopping point
  16. 26. any push or pull
  17. 28. a change in position relative to a fixed point
  18. 30. devices that make it easier to do work
  19. 32. things in motion stay in motion
  20. 37. equal and opposite reactions
  21. 38. the interaction between an object’s mass and gravity
  22. 40. exhibit properties of both metals and nonmetals
  23. 41. force times time, the change in momentum
  24. 43. a burst of energy from the nucleus
  25. 46. a measurement of how quickly a distance is travelled
  26. 47. the force that opposes all motion
  27. 49. an element with a different number of neutrons