Crossword puzzle 2

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Across
  1. 6. the physical form of matter described by its physical characteristics
  2. 7. a change in matter that doesn't alter is chemical identity
  3. 9. particles that make up an object
  4. 10. The ability to do work
  5. 13. a physical combination of two or more substances
  6. 14. The attractive force between any two objects based on masses
  7. 15. a change of one element into another element by changes occurring in the nucleus of the atom
  8. 17. The change in state from a gas directly to a solid
  9. 19. The change of state from a liquid to gas
  10. 23. a pure substance made of only one kind of atom
  11. 24. the change in state from a solid directly to a gas caused by adding energy
  12. 26. a rigid state of matter in which the particles align in a fixed arrangement
  13. 27. the change of state from solid to a liquid
  14. 30. two are more chemically bonded atoms
  15. 31. The change in state from a liquid to a gas caused by adding energy
  16. 33. The change in state from gas to a liquid
Down
  1. 1. Scientific law states that matter and energy cannot be created or destroyed
  2. 2. a push or a pull on an object
  3. 3. anything that has mass and takes up space; a physical substance
  4. 4. The hotness or coldness of a substance
  5. 5. The force of gravitational attraction between an object's mass and its resident planet
  6. 8. The change from one pure substance to another
  7. 11. The amount of space that an object occupies
  8. 12. a fluid state of matter in which particles are free to move
  9. 16. a charged atom or group of atoms caused by a charge imbalance
  10. 18. a material made of only one kind of element or compound
  11. 20. a fluid state of matter made of extremely high temperatures
  12. 21. a fluid state of matter in which the particles move so fast
  13. 22. a pure substance formed by chemically combining two or more elements
  14. 25. The change of a state from a liquid to a gas at the boiling point
  15. 28. the measure of the amount of matter in an object
  16. 29. The change in state from a liquid to a solid
  17. 32. Work is done when a force acts on moving object in the same or opposite