Emerson's Crossword Puzzle

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Across
  1. 5. the chemical substances which are formed due to a chemical reaction between two or more chemical substances
  2. 7. any chemical reaction that absorbs heat from its environment
  3. 8. a combination of two or more substances in any proportion
  4. 11. the starting materials in a reaction that undergo a chemical change to form a product
  5. 14. energy that is transferred from one body to another as the result of a difference in temperature
  6. 16. the release of heat
  7. 17. An____is made up of 3 particles; protons, neutrons and electrons
  8. 18. anything that takes up space and can be weighed
Down
  1. 1. a characteristic of a particular substance that can be observed in a chemical reaction
  2. 2. a measure of the average kinetic energy of the atoms or molecules in the system
  3. 3. a simple substance that cannot be broken down into smaller parts or changed into another substance
  4. 4. When two or more elements chemically combine in a fixed ratio by mass
  5. 6. a characteristic of a substance that can be observed or measured without changing the identity of the substance
  6. 9. the capacity to supply heat or do work
  7. 10. the amount of matter or substance that makes up an object
  8. 12. the study of matter and its interactions with other matter and energy
  9. 13. the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thank
  10. 15. the process where reactants are transformed into products