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This is a great tool and project!

This is a great tool and project! Don’t forget to check out the other simulations: Thanks for sharing, Kevin Clift.

Originally shared by Kevin Clift

Atom Builder

Assemble your own atoms from buckets of Protons, Neutrons and Electrons and see where they are on the periodic table, their charge and atomic mass.

Fun, interactive, research-based simulations of physical phenomena from the PhET™ project at the University of Colorado.

Here (expects HTML5):

More Science simulations (HTML5):

Older sims (inc. non HTML5):

PhET @ Wikipedia:

Podcast on Teaching with Interactive Simulations, featuring Katherine Perkins, Director of Physics Education Technology (PhET):


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  1. Going to change the world?  Indira, there’s  an English colloquialism that goes…”That Cows already left the barn”. i.e. It has already changed modern life irreparably. And it’s so refreshing to see the youth of thee Middle East stand up and “be counted ”  Go Green! The Iranians are only negotiating this Nuclear Deal, because they see the writing on  the wall. The youth will change everything, 12-15 yrs, i believe.


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