The pH Factor

Cleaning Pennies

Dirty Penny Bleck! The penny's still dirty. Baking soda did not clean the penny. Baking soda is a base. Try cleaning the penny with another substance. CLICK on a cup below.

 

 Baking Soda  Vinegar  Lava Soap  Lemon Juice
Lesson plans . . .
   
 Cleaning Pennies in the Classroom  Acid Rain on the Internet

 

 

How to Expand a Science Concept

CLICK on the button of your choice below . . .

pH Factor Home Teacher's Guide Excite Explore Explain Museum Menu
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