SOAP SCIENCE #2

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Across
  1. 4. Region known for early olive oil soap production
  2. 7. Substance with a pH above 7
  3. 8. Idea that germs cause disease; germ _____
  4. 10. Oily outer layer surrounding many germs
  5. 12. Scale measuring how acidic or basic a substance is
  6. 13. Water containing minerals that reduce soap effectiveness
  7. 15. One of the earliest civilizations to record soap-making
Down
  1. 1. Chemical reaction that forms soap
  2. 2. Sticky film formed when soap reacts with minerals
  3. 3. Process where substances change into new substances
  4. 5. Cleaner designed to work well in hard water
  5. 6. Tiny organisms that can cause illness
  6. 9. Bubbles formed when soap and water mix
  7. 11. Able to damage skin or materials
  8. 14. Substance with a pH below 7