This fun and educational tool lets you fast-forward through days of crystal growth in seconds. Use the time buttons to jump ahead and see how the crystals change. Don’t forget to use the movable ruler to measure your crystals – how big can you make them grow?

Create Digital Flashcards for any subject. Add words and definitions, then create. Flashcard sets can be edited and saved.

Experience the electrifying world of static electricity with our interactive Van de Graaff generator! This fascinating device, invented in 1929, demonstrates the principles of electrostatic charge accumulation and discharge. Watch as electrical charge builds up on the dome, then create your own miniature lightning by bringing the small sphere close to it. Adjust the on/off switch, drag the discharge sphere, and witness the spark of science come to life! Perfect for curious minds of all ages, this simulation offers a hands-on way to explore the shocking wonders of electrostatics. Give it a try and feel the buzz of discovery!

Calculates the number of moles (solid or aqueous solution).

Dive into the wild world of ecosystems with our exciting Predator-Prey Adventure! Perfect for curious minds of all ages, this interactive simulation brings the delicate balance of nature to life right before your eyes. Watch as foxes and rabbits battle for survival in a dynamic, ever-changing environment. Adjust population sizes and growth rates with easy-to-use controls and see instant results on our colorful, real-time graph.

A html interactive showing students the effect of using the different objective lenses. Also contains some history of the microscope and some fun facts.