Roller Coaster Crossword

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Across
  1. 2. A small hill after the loop in the roller coaster design
  2. 3. A required circular element in the track that tests momentum and speed
  3. 5. A force that resists motion, causing energy loss in the system
  4. 9. A change from one form of energy to another
  5. 11. The unit used to measure energy (both PE and KE)
  6. 13. The force that pulls objects toward Earth, used as 9.8 m/s² in calculations
  7. 14. The ability to do work or cause change, observed in different forms
  8. 15. The vertical measurement from a base level, important for calculating PE
Down
  1. 1. The speed of something in a given direction
  2. 4. Energy stored due to an object's position or height
  3. 6. The small object used to test the roller coaster track
  4. 7. Energy of motion, dependent on mass and velocity
  5. 8. The amount of matter in an object, measured in grams
  6. 10. A tool used to measure the time it takes the marble to complete the course
  7. 12. The path created with foam pipe insulation for the marble to roll on