Made for Grade 6 science. All lesson text, questions and pictures were written for this course. 3D graphics use three.js (MIT license). Fonts: Baloo 2 and Lexend (SIL Open Font License). Unit order follows the OpenSciEd grade 6 sequence, used only as a reference for order (OpenSciEd is CC BY-NC 4.0; none of its text is copied). Test facts come from the NYSED Educator Guide to the Grade 5 and Grade 8 Science Tests, updated November 2025. Settings and progress stay on this device.