Earth & Space — read the planet's deep story.
Six modules across Earth's systems — surface and water, atmosphere and oceans, the dynamic and solid Earth, geologic time, and space.
Train at your level.
Pick a module and start solving. Problems are generated fresh every time and graded instantly by our in-browser math engine — type 3/4, 0.75, or sqrt(5) and correct is correct. Two right answers in a row and the ladder climbs; every rep counts toward the climb.
What you'll train
Every module opens with foundations recall (levels 1–2), then ramps to mastery-level challenge (levels 3–5). The gym adapts as you answer.
Module 1 · Foundations of Earth Science
7 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
Module 2 · Earth's Surface & Water
6 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
Module 3 · Atmosphere, Weather & Oceans
6 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
Module 4 · The Dynamic Earth
7 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
Module 5 · Geologic Time & Resources
6 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
Module 6 · Earth in Space
6 skill generators · 2 foundations skills (levels 1–2) · ladder to level 5
You live on the evidence.
Every ridge, tide, and season is a data point in a four-billion-year experiment, and this course teaches you to read the lab notebook. Deep time rewards the patient eye. We rise not by accident, but with intention.
More tools for this course
Cornell Notes
Capture what each worked solution teaches you — cue, note, summarize.
Open Cornell NotesLearning Arcade
Game-mode retrieval practice filtered by course, standard, and difficulty.
Launch Arcade