The Material World

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Across
  1. 5. Force exerted from an object due to the influence of gravity, acting on it.
  2. 8. Total length of movement of an object, with no regard to the direction of travel.
  3. 9. The ratio between distance and time of an objects travel, not taking into account direction.
  4. 11. Property of an object to resist changes in motion to varying degrees.
  5. 12. How well energy is converted from one form to another with some degree of waste energy produced.
  6. 14. Rate of change over a specific interval or distance.
  7. 15. Condition where forces are balanced and no change in motion occurs.
  8. 16. Net force that alone describes the acceleration of all forces applied.
  9. 17. Measure of direction and rate of motion of an object over time.
  10. 18. Energy stored by an object due to its position.
Down
  1. 1. Rate at which the velocity of an object changes over time due to changes in forces.
  2. 2. Influence that maintains or alters the shape or motion of a body.
  3. 3. Energy an object possesses due to its motion.
  4. 4. Change in position of an object in direction and magnitude.
  5. 6. Force in all matter that attracts objects to its centre.
  6. 7. Amount of matter an object is composed of.
  7. 10. Ability to do work.
  8. 13. Principle dictating that physical properties such as energy or mass do not change in an isolated system.