Chemistry Crossword Puzzle - Chp. 1

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Across
  1. 3. using the 5 senses to observe any information
  2. 4. a pure substance created from one type of a single type of atom
  3. 7. chemical/physical change that absorbs heat from surroundings, makingit feel cooler
  4. 10. number of molecules or atoms in a reaction
  5. 12. amount of mass per unit volume in a substance
  6. 14. identifying/measuring what substance is in a sample
  7. 15. a state of matter with no fixed shape or volume, think clouds
Down
  1. 1. chemical process releasing energy into surroundings in the form of heat/light
  2. 2. of matter: neither created or destroyed
  3. 5. when 2+ different chemical elements are bonded together to create a substance
  4. 6. an analysis in chemistry
  5. 8. small number written at the bottom-right of a chemical symbol formula
  6. 9. of best fit: a straight/curved line going through a scatter plot graph, going through data points
  7. 11. mixing 2 physical chemical substances that are not chemically bonded together
  8. 13. substance: a form of matter with a constant/uniform composition