0 / 5From fuel to motion
Follow the energy. Understand the numbers.
- 1What is an engine?
- 2From revs to road speed
- 3Power: how fast work happens
- 4Torque: a turning effect
- 5RPM: count the revolutions
- Explore the engine lab
42 short lessons: 7 learning tracks plus 3 practice puzzles. Each one takes a few minutes, cites its sources and ends with a quick check.
Start the first lesson
Each road links lessons into one story and ends somewhere hands-on.
0 / 5Follow the energy. Understand the numbers.
0 / 4Separate an engine, a drivetrain and a badge.
0 / 4Meet four documented families, then follow the evidence.
0 / 3
0 / 4Fix mistakes, review on schedule and race the clock. Practice earns hearts back.
Move a slider or build a cycle. No timer, no score — just cause and effect.
An ideal gearbox: power stays the same while speed and torque trade places. Real gearboxes lose a little to friction.
Your turn: tap the strokes in cycle order.
Up to 855 XP available across every lesson.