Plug-It-In: Physics Edition

Advanced interactive physics lab: substitute values into the 15 most famous formulas in physics, from Newton's Second Law to E=mc², with sliders, live diagrams, and a mixed-difficulty challenge.

Thermal Energy Lab

Interactive thermal energy lab: choose a heating or cooling tool, from a water bath to a gas-oxygen torch to liquid nitrogen, and drive 20 real substances through melting, freezing, boiling, condensing, sublimation, and deposition.

Naming Molecules & Compounds Lab

Interactive chemistry lab: tell molecules from compounds, build molecules by dragging atoms out of buckets, and snap compound names together from puzzle-piece prefixes, stems, and suffixes. 60 levels of binary ionic and covalent naming for grade 8.