Collision Course Crossword Puzzle

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Across
  1. 3. Speed with a specified direction.
  2. 6. A brain injury caused by an object colliding with the head or body.
  3. 7. The part of the brain responsible for processing visual information.
  4. 9. A force acting in response to an action (pair in Newton’s third law).
  5. 10. A force acting in one direction (e.g., foot on a ball).
  6. 14. The requirements a design must meet to be successful.
  7. 15. Forces acting on an object that are equal and opposite, resulting in no change of motion.
  8. 16. The amount of matter in an object, measured in kilograms.
  9. 18. Repeating steps to improve a design or result.
  10. 19. How fast something is moving (distance over time).
  11. 20. A limit or restriction on a design.
  12. 21. The rate at which velocity of an object changes over time.
  13. 22. Forces that are not equal and cause acceleration.
Down
  1. 1. An injury from a moving head hitting a stationary object.
  2. 2. A push or pull that causes an object to change its motion.
  3. 4. An early model created for testing and evaluation.
  4. 5. The act or process of changing position.
  5. 8. The part of the brain responsible for integrating sensory information.
  6. 11. The act of two objects hitting each other with force.
  7. 12. An injury from a fast-moving object hitting a stationary head.
  8. 13. The part of the brain responsible for understanding speech and memory formation.
  9. 17. When two objects interact, they exert equal and opposite forces on each other.