Science vocab 2

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Across
  1. 2. Does not have a uniform appearance because the substances are unevenly distributed.
  2. 4. Distinct groups of two or more atoms.
  3. 7. The building blocks of all matter.
  4. 9. Change of state from a liquid to a gas
  5. 14. Change of state from a liquid to a solid.
  6. 15. Amount of matter in an object.
  7. 16. Space enclosed or occupied by an object.
  8. 17. Mass of matter contained within a particular volume.
  9. 18. A matierial made of only one kind of element or compound; it is not a mixture.
  10. 21. Describes how a substance changes in the presence of another substance or under chemical changes.
  11. 23. The change of state directly from a solid to gas.
  12. 24. A substance where the molecules of the substance are between liquid and gas.
  13. 25. Change of state from solid to liquid.
  14. 27. The point at which a substance changes from a solid to a liquid.
  15. 28. A state of matter where the molecules in a substance are solid or do not move
  16. 29. A physical combination of two or more substances.
  17. 31. The change of state directly from a gas to a solid.
  18. 32. Anything that has mass and occupies space.
  19. 33. A pure substance that consists of atoms with the same atomic number.
  20. 34. Relatively slow form a vaporization in which particles on the surface of the liquid state obtain sufficient energy to change to the gaseous state through the random collisions with particles
Down
  1. 1. Has a uniform appearance AKA a solution.
  2. 3. The change of state from a gas to a liquid.
  3. 5. a mass of a substance that will continue to have the same whole numbered ratio.
  4. 6. Relatively fast form of vaporization that as the substance is heated the particle's energy creates a pressure equal to the air pressure outside the liquid
  5. 8. A pure substance consisting of two or more elements that are chemically combined.
  6. 10. A change in matter that does not change the physical composition.
  7. 11. A temprature at which a liquid starts to boil.
  8. 12. A change that altars the composition of the substance.
  9. 13. Anything about a substance that can be observed.
  10. 19. The law states that matter cannot disapear, but can change state.
  11. 20. A state of matter where the molecules of the substance move widely about.
  12. 22. States that all physical matter exists in the form of atoms/molecules.
  13. 26. A state of matter where the molecules are free to move but also restricted.
  14. 30. The measure of gravity acting on the matter of an object.