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The PhET Blog
Physics Education Technology - University of Colorado, Boulder

Author Archive

Need Help? Don’t Forget to Use PhET’s Teaching Resources


Teachers, as you go , check out #PhETsims teaching resources. These tips and activities can help you learn how best to use PhET in your instruction. Use the “Tips” button to find videos and written resources on integrating PhET. Easily search for teacher-submitted activities including labs, homework assignments, lectures, activities, and concept questions with the “Browse” button. Or, “Share” your activities with the PhET community.


Aug 26


We’re Excited for the 2015-2016 School Year!

JohnTravoltage Sim

Get the sparks flying for the new school year with John Travoltage. Wiggle his foot and he picks up charges from the carpet. Bring his hand close to the door knob and get rid of the excess charge.

Good luck to both students and teachers for the upcoming year!


Aug 20


Try PhET’s Next-Gen Sims with Assessment Features

PhET Metacog Task Demo

Try PhET’s next-gen interoperable Concentration sim when it’s been linked with our partner metacog‘s rubric-based scoring. Try the task of making a batch of Invisible Ink and see how you do in real time. Learn about metacog’s rubric-based scoring in this video.


Aug 12


Got PhET (Swag)? Visit our new CafePress Store!

Ever wanted a #PhETsims t-shirt or coffee mug?
Visit where you’ll find a variety of PhET gear, including mugs, t-shirts, iPad accessories, etc.
All proceeds go to helping us make more great #HTML5 sims! Support PhET today and help spread the word!


Aug 6


Have You Seen Our New Video Primers for Teachers?

Teacher Video Primer

We’ve added new teacher video primers to many of our HTML5 sims, and will have more on the way this fall! These video primers give a visual walkthrough of the features and common uses of a sim, as well as helpful information for using the sim to its fullest.

Sign in to our website today to start taking advantage of this new teacher resource! You’ll have to complete a new short registration process (less than two minutes!) to access the many new enhanced teacher support resources, including video primers, teacher-submitted activities, and commenting on activities.


Jul 31


Make Up Some Drinks with Concentration

Make up some summer drinks and test the concentration with our Concentration sim!

PhET Interactive Simulations's photo.


Jul 23


Next-Generation PhET Sims with Assessment Features

We’ve been working hard on the Next-Generation PhET Sims. Our new partner, metacog, Inc., is unlocking the power of these enhanced sims, by linking up PhET’s emerging line of interoperable simulations with metacog deep-learning analytics services. With PhET plus metacog, you can capture student sim interactions, and gain insight on how students approach learning challenges with on-demand playback, automated rubric-based scoring, and real-time visualization capabilities.

For more information, visit


Jul 16


Free AAPT eMentoring Webinar with Trish Loeblein: Monday, July 13, 2015

Join Trish Loeblein Monday, July 13, 2015 8:00 PM EDT during a free webinar for the AAPT eMentoring program. Any one is welcome to attend. The AAPT eMentoring program is designed to connect high-school physics educators who desire additional guidance with experienced high-school physics educators. It is a free service that will enable colleagues to connect and learn regionally and nationally.

Join WebEx meeting:
Meeting number: 730 348 181
Meeting password: aapt

Note: You will be prompted to enter your name and an e-mail. You probably will not need to enter any meeting number or password, but they are provided for your reference.


Jul 10


29 HTML5 Sims and More Over the Summer…

We are busy working this summer to have more HTML5 sims ready for the 2015-2016 school year, as well as many other improvements to our website and teacher support and development.

Enjoy the summer! And, keep up-to-date with the latest at PhET on our social media sites including PhET’s BlogFacebook, Twitter and Pinterest.


Jul 7


Come See Us at ISTE in Philadelphia, June 28-July 1


We’re going to be at ISTE 2015 in Philadelphia, PA June 28-July 1. Come by our Booth #147 and see the latest HTML5 PhET simulations and the exciting developments coming up in 2015-2016.


Jun 25