CROSSWORD REVIEW

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Across
  1. 4. energy/ The sum of the potential energy an the kinetic energy in a system.
  2. 5. The process of changing position.
  3. 6. A statement of what will happen next in a sequence of events.
  4. 9. thinking/ Comparing what you already know with the information you are given in order to decide whether you agree with it.
  5. 12. force/ A force that one object applies to another object without touching it.
  6. 15. An attractive force that exists between all objects that have mass.
  7. 16. The distance an object moves divided by the time it takes to move that distance.
  8. 18. force/ A push or pull on one object by another object that is touching it.
  9. 19. group/ the part of the controlled experiment used to study relationship among variables.
  10. 23. collision/ Is defined as one in which there is no loss of kinetic energy in the collision.
  11. 27. motion/ Any motion in which an object is moving a long a curved path.
  12. 28. force/ The combination of all the forces acting on an object.
  13. 29. variable/ The factor a scientist observes or measures during an experiment.
  14. 30. energy/ Energy carried by sound waves.
  15. 32. energy/ Energy stored in an object when it is stored above the earth's surface.
  16. 35. Any factor that can have more than one value.
  17. 36. point/ The starting point you use to describe the motion or the position of an object.
  18. 37. motion/ Is motion under the influence of gravity.
  19. 39. energy/ energy carried by an electric current.
  20. 40. A contact force that resists the sliding motion of two surfaces that are touching.
  21. 43. Forces acting on an object that combine and form a net force that is not zero.
  22. 46. A possible explanation for an observation that can be tested by scientific investigations.
  23. 48. energy/ Energy causing push or pull.
  24. 49. year/ Forms of energy our eyes can detect.
  25. 50. speed/ The rate of change of position in which the same distance is traveled each second.
  26. 53. The speed and the direction of a moving object.
  27. 54. The tendency of an object to resist a change in its motion.
  28. 56. A type of friction that when the surface of an object moves along the surface of another object causing motion.
  29. 59. The amount of matter in an object.
  30. 60. energy/ Energy stored in food.
Down
  1. 1. forces/ Forces acting on an object that combine and form a net force of zero.
  2. 2. the factors in an experiment that remain the same.
  3. 3. inquiry/ A process that uses a variety of skills and tools to answer questions or to test ideas.
  4. 7. variable/ The factor that is changed by the investigator to observe how it affects a dependent variable.
  5. 8. force/ In circular motion, a force that acts perpendicular to the direction of motion, toward the center of the curve.
  6. 9. group/ The part of a controlled experiment that contains the same factors as the experimental group, but the independent variable is not changed.
  7. 10. speed/ The total distance traveled divided by the total time taken to travel that distance.
  8. 11. The difference between the initial position and the final position of an object that has moved.
  9. 13. A push or pull on an object.
  10. 14. Type of energy due to motion.
  11. 17. An object's distance and direction from a reference point.
  12. 20. Type of energy stored due to the interactions between objects and particles.
  13. 21. energy/ energy stored in and released from the nucleus of an atom.
  14. 22. science/ Study the processes that occur on earth and deep within the earth.
  15. 24. A measure of the change in velocity during a period of time.
  16. 25. energy/ The sum of the kinetic energy and the potential energy of the particles that make up an object.
  17. 26. speed/ An object's speed at a specific instant in time.
  18. 30. theory/ An explanation of observations or events that is based on knowledge gained from many observations and investigations.
  19. 31. It is information gathered during an experiment.
  20. 33. science/ Study all organisms and the many processes that occur in them.
  21. 34. The investigation and exploration of natural events.
  22. 38. fall/ Any object that is being acted upon only by the force of gravity.
  23. 41. collision/ Is one in which part of the kinetic energy is changed to some other form of energy in the collision.
  24. 42. Is a measure of how far an object has traveled from its starting point, or how far away it is.
  25. 44. A measure of how hard is to stop a moving object.
  26. 45. The gravitational force exerted on an object.
  27. 47. A type of friction that occurs when a round object rolls around a surface.
  28. 51. science/ The type of science that studies matter and energy.
  29. 52. A type of friction that is a resistance offered by a fluid against its flow.
  30. 55. A type of friction that when force is applied to an object it does not cause a change.
  31. 57. of conservation of momentum/ a principle stating the total momentum of a group of objects stays the same unless outside forces act on the objects.
  32. 58. The ability to cause a change.