Science Unit 2 Crossword

1234567891011
Across
  1. 3. pH of less than 7
  2. 4. scale used to classify solutions
  3. 5. a solid substance formed when two solutions are chemically combined.
  4. 6. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation.
  5. 7. do not change the composition of a substance, only the physical properties
  6. 8. result in the formation of one or more new substances with new chemical and physical properties
  7. 10. The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation.
  8. 11. pH of more than 7
Down
  1. 1. be recognized only when substances react or do not react chemically with one another, that is, when they undergo a change in composition.
  2. 2. substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation
  3. 4. can be observed and measured without changing the kind of matter being studied.
  4. 9. substance that increases the rate of a chemical reaction