Helping students think like scientists.

Ready-to-use science tools and activities that help students ask questions, use evidence, analyze data, build models, and explain phenomena.

Preview of the Candy Shop Density Lab worksheet with a data table, graph, and written questions

Matching worksheets for your science lessons

Pair VST’s free digital activities with ready-to-print worksheets through our Printables Membership.

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Explore Mini-Challenges with PhET™ Simulations

Thanks to the incredible work of PhET Interactive Simulations at the University of Colorado Boulder, we’re excited to share a growing collection of guided science Mini-Challenges.

PhET creates the simulations. VST adds questions and challenges that invite students to explore, test ideas, and explain what they notice.

Explore the Mini-Challenges

Simulations by PhET Interactive Simulations, University of Colorado Boulder . Mini-Challenges and questions by Virtual Science Teachers. PhET licensing information PhET is a trademark owned by the Regents of the University of Colorado, a body corporate, registered in the U.S. and certain other countries, and is being used under license.

Why Teachers Love VST

Built for classrooms. Here’s what teachers love most.

  • Free & No Logins

    Students can start thinking right away without account barriers.

  • Standards-Aligned

    Resources connect science thinking to NGSS and Virginia SOLs.

  • Ready to Assign

    Share a link or embed in your LMS so students can begin quickly.

  • Engaging & Interactive

    Designed to spark curiosity, evidence use, and meaningful discussion.

Teacher Testimonials

Our Partners

Proudly partnering to bring exceptional STEM learning to Hampton Roads and beyond.

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Premier Grant Sponsors

Grant Sponsors

STEM Learning & Content Partners

Organizations whose resources and expertise support Virtual Science Teachers’ interactive science learning experiences.