Distance - Time Graph

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Across
  1. 2. The formula for _______ speed is the total of distance over the total of time travelled
  2. 5. The horizontal line represents _____.
  3. 6. The rate of change in distance with respect to time.
  4. 9. Zero gradient represent ______ movement
Down
  1. 1. Shows object moves back to original place or moves in opposite direction
  2. 3. An upward curve represents _____, meaning that the object is speeding up.
  3. 4. A _____ curve represents deceleration, meaning that the object is slowing down.
  4. 7. The vertical line represents ____.
  5. 8. Positive gradient represent motion at _________ speed