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142+ Free Interactive Science Simulations, Aligned to NGSS

Used by science teachers across the world. No login. No ads. No cost.

Browse All Simulations Articles

Why Use These Simulations?

Aligned to NGSS High School Standards
Works on Chromebooks & iPads
Single-click. No downloads.
Built by a real science teacher

Browse by Category

Browse by NGSS Standard

HS-ESS1-1
HS-ESS1-2
HS-ESS1-3
HS-ESS1-4
HS-ESS1-5
HS-ESS1-6
HS-ESS2-1
HS-ESS2-2
HS-ESS2-3
HS-ESS2-4
HS-ESS2-5
HS-ESS2-6
HS-ESS2-7
HS-ESS3-1
HS-ESS3-2
HS-ESS3-3
HS-ESS3-4
HS-ESS3-5
HS-ESS3-6
HS-ETS1-1
HS-ETS1-2
HS-ETS1-3
HS-ETS1-4
HS-LS1-1
HS-LS1-2
HS-LS1-3
HS-LS1-4
HS-LS1-5
HS-LS1-6
HS-LS1-7
HS-LS2-1
HS-LS2-2
HS-LS2-3
HS-LS2-4
HS-LS2-5
HS-LS2-6
HS-LS2-7
HS-LS2-8
HS-LS3-1
HS-LS3-2
HS-LS3-3
HS-LS4-1
HS-LS4-2
HS-LS4-3
HS-LS4-4
HS-LS4-5
HS-LS4-6
HS-PS1-1
HS-PS1-2
HS-PS1-3
HS-PS1-4
HS-PS1-5
HS-PS1-6
HS-PS1-7
HS-PS1-8
HS-PS2-1
HS-PS2-2
HS-PS2-3
HS-PS2-4
HS-PS2-5
HS-PS2-6
HS-PS3-1
HS-PS3-2
HS-PS3-3
HS-PS3-4
HS-PS3-5
HS-PS4-1
HS-PS4-2
HS-PS4-3
HS-PS4-4
HS-PS4-5

NGSS Resources and Documentation

📋 For Teachers

These simulations are built for the classroom — no login required, no ads, no cost. Here's how to get the most out of them:

  • Student Tasks: Select simulations have a full NGSS task packet (pre-screener, investigation, and post-screener). Look for the task badge on individual simulation pages or browse simulations with tasks below.
  • NGSS Alignment: Every simulation is tagged with its primary performance expectation. Use the simulation search to filter by NGSS standard.
  • Works on Chromebooks: All simulations run in the browser — no downloads, plugins, or app installs needed.

Simulations with complete student tasks: Antibiotic Resistance | Crop Evolution | Big Bang Evidence | Ice-Albedo Feedback | Ideal Gas Law | Gay-Lussac's Law and more.

Nicklaus Cairns

About the Creator

Nicklaus Cairns is a passionate science educator from the United States with five years of teaching experience in Texas and Connecticut. He is a graduate of Texas A&M University's state approved educator preparation program, and holds a Master's in Science Education from Western Governors University.

He believes in engaging students through hands-on, phenomena-based, and inquiry-driven NGSS-aligned instruction. This platform was built to ensure all students have access to high-quality interactive science tools at no cost.