Substances and Mixtures

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Across
  1. 2. the study of matter and changes in matter
  2. 3. a mixture that uniform throughout
  3. 5. the amount of space something occupies
  4. 8. the building block of matter
  5. 9. oxygen and hydrogen are examples
  6. 13. when a gas becomes a liquid
  7. 14. matter in which particles are packed very tightly
Down
  1. 1. a mixture that is not uniform throughout
  2. 4. substances that are physically combined
  3. 6. negatively charged particle in an atom
  4. 7. anything that has mass and takes up space
  5. 9. when a liquid becomes a gas
  6. 10. positively charged particle in an atom
  7. 11. matter that has particles that move freely
  8. 12. anything that has mass and takes up space