PhET Interactive Simulations is a free platform from the University of Colorado Boulder offering hundreds of virtual science and math labs. Students can explore concepts in physics, chemistry, biology, and more through interactive simulations that make abstract ideas easier to understand and engage with.

Gizmos is a web-based platform from ExploreLearning offering hundreds of interactive math and science simulations for grades 3–12. Students can manipulate variables and observe outcomes in real time, making complex concepts easier to explore and understand.

Science Buddies is a free resource offering thousands of science fair project ideas, step-by-step guides, and topic-specific tutorials for K–12 students. It's designed to help students find projects that match their interests and walk them through the scientific process from start to finish.

Fetched: Experience the Exploratorium at Pier 15 | Exploratorium

The Exploratorium is a public science museum and learning lab located at Pier 15 in San Francisco. It features over 700 hands-on exhibits connecting science, art, and human perception, along with classroom resources, educator tools, and online activities for students and teachers.