Physical Science 2A-D terms

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Across
  1. 6. a physical combination of two or more substances
  2. 7. a pure substance consisting of atoms of two or more different elements
  3. 9. anything that occupies space and has mass
  4. 11. a pure substance that consists of atoms with the same atomic number
  5. 13. The state of matter in which particles vibrate in fixed positions
  6. 14. a distinct group of two or more atoms covalently bonded together
  7. 15. changes that alter the chemical composition of substances
  8. 18. the amount of matter in an object
  9. 19. has a uniform appearance
  10. 20. all physical matter exists in the form of particles
  11. 24. the relatively fast form of vaporization
  12. 26. the state of matter in which particles are far apart and move rapidly
  13. 27. the same temperature as the melting
  14. 30. the mass of matter contained within a particular volume
  15. 31. does not have a uniform appearance
  16. 32. a solid transforming to vapor
  17. 33. states that matter can neither be created nor destroyed, but can only change forms
  18. 34. the temperature at which a solid turns into a liquid
  19. 35. the state of matter in which particles are close together but able to move around
Down
  1. 1. if matter were continuous then scientists expected the ratios to be random decimal numbers
  2. 2. a substance changes in the presence of another substance or other circumstances
  3. 3. the change of state from a solid to a liquid
  4. 4. anything about a substance that can be observed or measured without altering the substance's chemical composition
  5. 5. the building block of all matter
  6. 8. the most common state of matter in the universe
  7. 10. the relatively slow form of vaporization
  8. 12. gas transitioning to a solid
  9. 16. a material made of only one kind of element or compound
  10. 17. the change of state from a liquid to a gas
  11. 21. the temperature at which liquid starts to boil
  12. 22. the measure of gravity acting on the matter in an object
  13. 23. the change of state from a gas to a liquid
  14. 25. the space enclosed or occupied by an object
  15. 28. the change of state from a liquid to a solid
  16. 29. any change in matter that does not alter the composition of a substance