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Nine minutes a day, and the science sticks.

Every lesson hands you something to do, like sorting these clouds, moving a slider or reading a station log, and the app remembers what you got wrong.

Try a real lesson.

Meteorology, Unit 2, Lesson 3. No account needed.

Meteorology · Unit 2 · Lesson 3+10 XP

Drag each cloud family to the altitude band it forms in

Drag a name onto a band. Or select a name, then select a band.

What a lesson feels like.

  1. 01 · Read

    Start with a two-minute read.

    One idea, a diagram, and the words you will need. Cumulonimbus, dew point, lapse rate.

  2. 02 · Do

    Then do something with it.

    Label a diagram, move a slider, read a station log or write a little code. Every answer gets checked, and a wrong one gets a hint.

  3. 03 · Keep it

    Bank the win.

    XP, a streak and daily quests keep your place. The app remembers what you got wrong.

Pick an age, a subject and how deep to go.

Each track is planned for three age paths, with three depths inside every path. Choose a combination to see what is written today.

Age path

A concept, then something you build with it.

Track
Depth

Meteorology

Middle · Projects
What you end up building
First lesson
Layers of the AtmosphereAtmosphere Basics · 8 min
What you do
  • Label a diagram
  • Read a data table
  • Run a simulation
  • Write a little code
Lessons here
14

A week of weather, one small lesson a day.

An example week in Meteorology. The lessons are real; the schedule is illustrative. 7 lessons · 61 min

  1. Mon1streak
    Label a diagramLayers of the Atmosphere8 min
  2. Tue2streak
    Run a simulationAir Pressure & Weight9 min
  3. Wed3streak
    Label a diagramTemperature & Heat Transfer9 min
  4. Thu4streak
    Read station dataWind: Air on the Move9 min
  5. Fri5streak
    Write a little codeHumidity & Water Vapour9 min
  6. Sat6streak
    Run a simulationHow Water Gets Into the Air8 min
  7. Sun7streak
    Read station dataDew Point & Condensation9 min
Station logLagos
Temperature
31°C
Humidity
74%
Pressure
1011hPa
3 h trend
−0.8hPa
Cloud base (est.)
650m

Daily high, one week · °C

152330MonTueWedThuFriSatSun
Synthetic 15:00 observations modelled on WMO SYNOP format, 2026-04-08. From Meteorology Unit 2, Lesson 3.

Read the log, then make the call.

Meteorology lessons hand you a table of station readings and ask a question only the numbers can answer. Which town gets a storm tonight? Which one wakes up in fog?

Every reading carries its unit and its time, laid out the way weather services report them, so the habit carries over to a real forecast.

For young people everywhere

Building a culture of young STEM innovators.

STEMise is a youth-led 501(c)(3). Every lesson is free and runs in a browser, so a learner anywhere starts on the same lesson as everyone else.

The people who keep the lessons running.

STEMise is a youth-led 501(c)(3). Students plan, write and build every lesson, and every course is free to take.

Meet the whole STEMise team
  • Ryan Ahn
    Ryan AhnCo-Founder
  • Christopher Huang
    Christopher HuangCo-Founder
  • Spursh Deshpande
    Spursh DeshpandeHead of Tech

Teachers & club leads

Spot who is stuck on the cloud chart before the bell.

Learners join with a six-character code. You get their streaks, XP and quiz mastery on one page, and a list of who has not started this week.

Class dashboard · demo data

3

Learners

2 active this week

70%

Avg. mastery

across all quizzes

LearnerCurrent unitStreakXP this weekMastery
Ada Okonkwo
Clouds & Precipitation7340
86%
Jonas Mensah
Atmosphere Basics4210
71%
Lina Rahman
Atmosphere Basics00
54%