AP Physics and AP Chemistry
Physics and chemistry, intuition first.
Clear explanations that build the idea before the math, so students understand instead of memorize. Made by a classroom teacher with 18 years of experience.
From the blog
Pick a subject
AP Physics 1
Physics
Notes, practice and a textbook that start from what is actually happening, then bring in the math.
Start learning AP Physics
AP Chemistry
Chemistry
Step-by-step explanations of the ideas behind the calculations, from rates to equilibrium.
Start learning AP ChemistryThe Lab
Interactive practice and diagnostics, one home for each subject.
Chemistry
In development
Chemistry Workbench
Interactive practice exams, diagnostic quizzes, and digital lab benches, including stoichiometry tools.
Follow progress →
Physics
In development
Physics Workbench
Kinematic diagnostic challenges, interactive practice sets, and digital tinker-toys.
Follow progress →
The textbook
Get the book
Quantabble Physics
A Less Boring Approach to Mechanics and Fluids.