Matter Karley Ann Eilts

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Across
  1. 2. A substance made by mixing other substances together.
  2. 4. A substance that cannot be broken down into simpler substances by chemical means.
  3. 5. When temperature changes, matter can undergo a phase change, shifting from one form to another.
  4. 8. Rain, water, snow, and hail are all types of this.
  5. 9. A substance that comes from a combination of two or more elements.
  6. 10. a pure substance is anything that can be observed without changing the identity of the substance.
  7. 13. When liquid becomes a gas.
  8. 14. Gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge,
  9. 15. The basic unit of a chemical element
  10. 16. Atoms of matter are a little close together.
  11. 18. Anything that takes up space and has mass.
  12. 19. Mixture of two or more substances in which the molecules or atoms of the substances are completely dispersed.
Down
  1. 1. Consisting of two or more atoms held together by chemical bonds.
  2. 3. When a solid becomes a liquid.
  3. 5. A physical change is any change NOT involving a change in the substance's chemical identity
  4. 6. The temperature at which a liquid freezes
  5. 7. Atoms of matter are spread out.
  6. 11. When a liquid goes up into the air.
  7. 12. amount of space that a substance or object occupies.
  8. 17. Atoms can’t move at all.