Matter and Change Crossword Puzzle

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Across
  1. 3. A pure substance made of only one kind of atom.
  2. 6. A process that absorbs energy from the surroundings.
  3. 8. Only one visibly distinct phase, the phase has the same proportions throughout.
  4. 10. The energy possessed by an object due to its position, composition or condition.
  5. 13. Anything that has both mass and volume.
  6. 15. Physical combination of two or more substances.
Down
  1. 1. A property that can be observed and measured without changing the material's composition.
  2. 2. Separates two or more substances by taking advantage of different boiling points.
  3. 4. A substance that is made from atoms of two or more elements.
  4. 5. A substance that is currently a gas, but normally is a liquid or solid at room temperature.
  5. 7. The energy of motion.
  6. 9. A measure of the amount of matter.
  7. 11. A process that releases energy into the surroundings.
  8. 12. A measure of the amount of space that is occupied.
  9. 14. The smallest unit of an element that maintains properties of that element.