Alpha Science — a selection of our best lessons
Lessons from across our science courses, Grade 3 to AP. Each link opens the live course page; no login needed.
A bigger circle, a faster mover
Unit 5, Rotation: the first lesson of the topic on speed round a circle. The lesson form for this course: a short video, then worked examples with reveal steps, then a quiz.
Air is made of tiny pieces too small to see
Topic 11 (Sound), Lesson 2. A short video lesson for 8–9-year-olds with its question set: air is made of tiny pieces that move and bump into each other all the time, and scientists call them particles.
Unit 1, Lesson 23
An article-led lesson, a different format from the video courses: ideas revealed line by line, worked examples with reveal steps, a short quiz. Its worked-exam twin follows it. For a video lesson from the same course, see the dipole continuum.
Photosynthesis
Topic 3.4, built as video lessons with questions. The link opens on the topic's intro video; the first lesson, "The reaction, written out", follows.
Why a liquid takes the shape of its container
Topic 1, Lesson 7. A video lesson with its quiz, and an article version of the same lesson for students who prefer to read.
A tissue, up close: similar cells doing one job
Topic 1, Lesson 6. The video, its script and quiz, and an article version of the same lesson.
How fast does it move round the circle?
Unit 5, Rotation: an intro and five video lessons on speed round a circle (v = 2πr/T), each with worked examples and a quiz, ending in mixed practice for the topic.
Sound
Topic 11: an intro, five short video lessons with their questions, and a summary video.
Unit 1
The article-led unit: every lesson an interactive article with line-by-line reveal, worked examples and a quiz.
Photosynthesis
Topic 3.4: fourteen video lessons with questions, from "The reaction, written out" to "Shared pathways, shared ancestry", with intro and summary videos.
Alpha Science, October 2026.