8th Grade Elevate Science Topic 4: Chemical Reactions

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Across
  1. 2. a mixture containing small, undissolved particles that do not settle out
  2. 7. a change in which one or more substances combine or break apart to form new substances
  3. 10. a mixture in which particles can be seen and easily separated by settling or filtration
  4. 12. a measure of how much solute can dissolve in a given solvent at a given temperature
  5. 13. created or manufactured by humans; not found occurring in nature
  6. 15. anything naturally occurring in the environment that humans use
  7. 16. two or more substances that are together in the same place but their atoms are not chemically bonded
  8. 18. a change that alters the form or appearance of a material but does not make the material into another substance
Down
  1. 1. the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
  2. 3. a system in which no matter is allowed to enter or leave
  3. 4. a substance formed as a result of a chemical reaction
  4. 5. a reaction that absorbs energy
  5. 6. a mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another
  6. 8. a reaction that releases energy, usually in the form of heat
  7. 9. a system in which matter can enter or escape to the surroundings
  8. 11. the part of a solution that is dissolved by a solvent
  9. 14. a long chain of molecules made up of repeating units
  10. 17. a substance that enters into a chemical reaction
  11. 19. the part of a solution that is usually present in the largest amount and dissolves a solute