Covid Crossword 3

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Across
  1. 1. ratio of temperature and mass
  2. 3. heat movement through nothing
  3. 4. heat movement through solids
  4. 7. Law of inertia
  5. 8. no movement
  6. 9. force always acting against movement on earth
  7. 12. cause accelerations
  8. 14. hot goes to cold
  9. 16. push or pull
  10. 18. force determined by mass and speed change
  11. 19. made of atoms
Down
  1. 2. motion to electricity
  2. 4. moves heat easily through solids
  3. 5. Law of Momentum
  4. 6. motion's word for mass
  5. 10. makes mass do stuff
  6. 11. will make nothing change
  7. 13. an unused battery
  8. 15. heat movement through fluids
  9. 17. measures speed