Matter Vocabulary

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Across
  1. 6. Describes the ability of a substance to undergo changes in identity.
  2. 12. A measure of a material's ability to conduct an electric current .
  3. 16. Can be observed without changing the identity of the substance.
  4. 17. A neutral particle in the nucleus of an atom.
  5. 18. Emission of radiation from an atom with an unstable nucleus.
  6. 19. A negatively charged particle that occupies the space in an atom outside the nucleus.
  7. 21. Phase change from a gas to a solid.
  8. 22. Phase change from a solid to a gas.
  9. 23. Phase change from a solid to a liquid
  10. 24. Energy is absorbed in the reaction, Chemical bonds are broken, Feels Cold
  11. 25. The ability to react with oxygen, causing the loss of electrons.
  12. 27. Composed of identical atoms.
  13. 29. The temperature at which a liquid changes into a solid.
  14. 30. Made of identical atoms in the same combination
  15. 32. Amount of space an object occupies
  16. 33. The temperature at which a liquid changes into a gas.
  17. 36. Molecules move quickly
  18. 38. Amount of atoms an object contains
  19. 39. Ability of a substance to dissolve in another substance.
  20. 40. The mass per volume of a substance.
Down
  1. 1. Combination of 2 or more pure substances not chemically combined.
  2. 2. Positively charged particle in the nucleus of an atom.
  3. 3. The temperature at which a solid changes into a liquid.
  4. 4. A solid substance that is formed from two liquids OR a liquid that is formed from two gases
  5. 5. How easily something ignites and the intensity it burns releasing heat.
  6. 7. Phase change from a liquid to a gas.
  7. 8. A change in the matter that does not alter the identity of the substance.
  8. 9. Matter is changed into one or more new and different substances
  9. 10. Composed of 2 or more elements in a fixed ratio.
  10. 11. Energy is released in the reaction, Chemical bonds are formed, Feels Hot
  11. 13. Anything that has mass and volume
  12. 14. A mixture in which two or more substances are evenly mixed but not bonded together.
  13. 15. Rusting or tarnishing-oxidation of a metal.
  14. 20. Phase change from a gas to a liquid.
  15. 26. The smallest piece of an element that still represents that element
  16. 28. A mixture in which substances are not evenly mixed together.
  17. 29. Phase change from a liquid to a solid.
  18. 31. Molecules collide with enough energy to break into charged particles.
  19. 34. How much a substance can damage a cell, organ, or organism.
  20. 35. Molecules can move around but are still touching.
  21. 37. Molecules vibrate but can’t move around.