Benchmark Review

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Across
  1. 3. to stay on or near the surface of water or another liquid
  2. 6. a material that is usually shiny and conducts heat and electricity well
  3. 7. Tools that make difficult tasks easier by changing the direction of the force or the amount of force needed to do something.
  4. 8. a particular kind of matter
  5. 10. to combine together
  6. 12. a scientific rule that matter is neither created nor destroyed during a change
  7. 15. A simple machine that has a gently sloped surface so it can be used to move objects upwards with less force. Ramps are examples of this.
  8. 17. a force between surfaces
  9. 20. all components are not distributed evenly in the mixture
  10. 21. to mix completely into a liquid
  11. 23. a condition that must be met
  12. 25. a measure of how hot or cold something is
  13. 26. to push away
  14. 27. the ability to attract certain metals
  15. 31. a force between two objects that aren't touching
  16. 34. a complete and circular path around which electrical energy can flow
  17. 36. the ability to do work or change something
  18. 39. a noncontact force that pulls objects toward the center of Earth
  19. 40. a force between two touching objects
  20. 41. a movement up and down or back and forth
  21. 43. the boundary of a model
  22. 44. a device that produces electrical energy by chemical changes in the materials inside it
  23. 51. a material that slows or stops the flow of energy, such as electricity, heat, or sound
  24. 52. the flow of electrical energy
  25. 53. a characteristic of matter that can be observed and or measured
  26. 58. a form of energy that lets you see
  27. 59. procedures scientists and engineers follow to answer a question and make a claim
Down
  1. 1. a complete circuit in which electrical energy can flow
  2. 2. forms in which matter exists
  3. 4. form of energy that gives some things the power to work
  4. 5. a fact or situation that can be observed
  5. 9. a mixture of substances that are blended so completely that the mixture looks the same throughout
  6. 11. a material through which energy flows quickly
  7. 13. an object that can attract objects made of iron, cobalt, steel, and nickel
  8. 14. to break apart into pieces
  9. 16. anything that has mass and takes up space
  10. 18. A simple machine that gets thinner at one end that is used to split material such as wood. A knife is an example of this.
  11. 19. an incomplete circuit in which electrical energy cannot flow
  12. 22. a strong effect on something
  13. 24. to pull toward
  14. 27. the amount of material in an object
  15. 28. the area around a magnet where its force can attract or repel
  16. 29. a change in an object’s position
  17. 30. a wave that transfers energy through vibrating air or other matter
  18. 32. the movement of energy from one object to another
  19. 33. observing something for the first time
  20. 35. a new product, process, or idea
  21. 37. the ability to sink or float in water
  22. 38. a state of matter that does not have its own shape or definite volume
  23. 42. a characteristic of a model that is useful or helpful
  24. 45. a physical combination of two or more substances that are blended together without forming new substances
  25. 46. a state of matter that has a definite shape and volume
  26. 47. energy that is produced from heat
  27. 48. a push or pull
  28. 49. A plank that rests on something underneath and moves up and down. A seesaw is an example of this.
  29. 50. A wheel and rope that can change the direction of a force. A flagpole uses this to raise the flag.
  30. 54. all components are distributed evenly in the mixture
  31. 55. to go down below the surface of a liquid
  32. 56. a material that takes the shape of the container it is in
  33. 57. one of two ends of a magnet where the magnetic force is strongest