Wednesday, September 08, 2010

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6 items for $35.94

  Let the Professor be your guide to a fun and successful science project   The Science Project Professor  


Price: $5.99
Level: Suggested for Grades 7 - 9


How Hard is the Water in Your Tap?
Have you ever wondered why your soap won’t lather up? Solve the mystery with this simple project. This experiment uses chemical science to demonstrate a scientific principle.

Materials Needed:

  • liquid soap
  • distilled water
  • measuring cup
  • small jar
  • straw
  • tap water
  • 2 glass jars with screw lids
  • eyedropper
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