Matter Karley E.

12345678910111213141516171819
Across
  1. 2. A substance made by mixing other substances together.
  2. 3. When a liquid goes up into the air.
  3. 6. When temperature changes, matter can undergo a phase change, shifting from one form to another.
  4. 7. Anything that takes up space and has mass.
  5. 12. Consisting of two or more atoms held together by chemical bonds.
  6. 13. a pure substance is anything that can be observed without changing the identity of the substance.
  7. 15. An object is a measure of the number of atoms in it
  8. 16. Atoms of matter are a little close together.
  9. 17. Atoms of matter are spread out.
  10. 18. The basic unit of a chemical element
  11. 19. Mixture of two or more substances in which the molecules or atoms of the substances are completely dispersed.
Down
  1. 1. When liquid becomes a gas.
  2. 4. The amount of space that a substance or object occupies.
  3. 5. A physical change is any change NOT involving a change in the substance's chemical identity
  4. 8. Atoms can’t move at all.
  5. 9. A substance that cannot be broken down into simpler substances by chemical means.
  6. 10. The temperature at which a liquid freezes
  7. 11. Gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge,
  8. 12. When a solid becomes a liquid.
  9. 13. Rain, water, snow, and hail are all types of this.
  10. 14. A substance that comes from a combination of two or more elements.