Matter Crossword Puzzle

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Across
  1. 5. states of matter are considered __________________ properties of matter
  2. 6. in order to go from a solid to a liquid the temperature of the substance must ________________
  3. 8. A state of matter that is like a gas but is charged with energy
  4. 9. The state of matter where particles are close together but able to move around each other
  5. 14. the scientist credited with the discovery of the electron
  6. 17. one type of atom
  7. 18. There are ______________ states of matter
  8. 19. A chemical change is also known as a chemical _________________________
  9. 20. Particles are far apart and moving rapidly
  10. 21. a change in state from a gas to a liquid
Down
  1. 1. Reactivity is considered a _____________________ property of matter
  2. 2. either evaporation or boiling and it turns matter from a liquid to a gas
  3. 3. A solid has a ________________ shape meaning that it does not change
  4. 4. anything that has mass and occupies space
  5. 7. The basic building block of all matter
  6. 10. this Greek philosopher believed that matter was made of very small pieces called "atoms"
  7. 11. This scientist discovered the nucleus of the atom
  8. 12. a group of atoms bonded together
  9. 13. This scientist proposed properties of atoms and believed atoms were solid spheres
  10. 15. a change in state from a solid to a gas
  11. 16. substance In a chemical change a ___________________ is always formed