Physical Science

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Across
  1. 1. How fast we get the job done depends on the amount of _____ we put into it.
  2. 3. The strength and vitality required for sustained physical or mental activity.
  3. 5. The force resisting the relative motion of solid surfaces and material elements sliding against each other.
  4. 6. Increasing in a rate or a speed of something.
  5. 7. The object in motion stays in motion until a physical object comes in contact with it.
  6. 8. The number of occurrences of a repeating event per unit of time.
  7. 9. The amount of matter in an object.
Down
  1. 2. The physical interaction among magnetic moments, electric charges, and electromagnetic fields.
  2. 4. The _____ of an object is the magnitude of the change of its position over time.
  3. 5. The amount of push or pull placed on an object.