Support the Future of PhET!
With over 95 sims (and growing!), PhET must build a network of support modeled upon NPR and
PBS. And, just like their listeners and viewers who donate, you, our users, can make a
Please consider donating to PhET. Gifts as small as $10, $20, or $50 help develop, maintain
and support our growing library of sims.
All donations are tax deductible.
Cyberlearning Tools for STEM
March 8-9, 2011
San Francisco, CA
March 10-13, 2011
June 26-29, 2011
Fall 2011 National Meeting
August 28-Sept. 1, 2011
PhET's Foray into Social Media
PhET is coming of age...at least on Facebook, Twitter and our blog.
Be the first to learn about new sims, new teacher activities, articles and newsletters. We'd
also love to hear how you use PhET in your classrooms. Spread the word so PhET can go
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Explore Floating and Sinking with the Density and
Explore how blocks of different materials and sizes float or sink with the new
sim. Create your own block with adjustable mass and volume, and predict
your block will start to float. Develop experiments to determine the density of
The Density sim includes a set of great teaching ideas with pre-lab, post-lab,
teaching notes and sim activities to get you started on designing your own
Learn why objects float or sink with the Buoyancy
sim. Explore the key forces at work as you modify your block, drag it under
the surface, or change the fluid. Use the movable scale to weigh objects in and
out of water, or anywhere in between.
Learn How the Periodic Table Works with Build An
Build an Atom
Build an atom out of protons, neutrons, and electrons with the
An Atom sim.
Learn about the mass, charge, structure, and nomenclature of elements in the
periodic table. With this sim, students will learn
- What makes up an atom
- How protons are connected to element identity
- How neutrons affect nucleus stability
- How protons and electrons affect ionic charge
- How to describe the mass and charge of the subatomic particles
Check Out These Other New Simuations: