The pH Factor


Cleaning Pennies

Dull PennyWhich substance do you think can clean this penny better? CLICK on a cup below to find out.

 

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


pH Factor Home Teacher's Guide Excite Explore Explain Museum Menu
Expand Extend Exchange Examine  

 

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