- Suggested ages
- 9–12
- Learn first
- Ready to start
Build from what you know
See how courses connect within each subject. Ages and stages are guidance only, not an official curriculum certification for any region.
- Suggested ages
- 10–13
- Learn first
- Cube nets
- Suggested ages
- 9–12
- Learn first
- Ready to start
- Suggested ages
- 12–15
- Learn first
- Cube nets, Volume & unit cubes
Chemistry · Primary
Water changing state and cycling
How can water leave a liquid surface and later become droplets again?
- Suggested ages
- 10–14
- Learn first
- Ready to start
Chemistry · Middle school
Diffusion and particle motion
Why can a smell or colour spread even when nobody stirs it?
- Suggested ages
- 11–15
- Learn first
- Ready to start
Biology · Middle school
Breathing and circulation
How does inhaled oxygen reach body cells, and how does carbon dioxide leave?
- Suggested ages
- 11–15
- Learn first
- Ready to start
Physics · Middle school
Refraction of light
Why can light change direction when it enters another medium?
- Suggested ages
- 12–16
- Learn first
- Ready to start
Physics · Middle school
Magnetic field around a current
How does the field around a wire change when its current changes?
- Suggested ages
- 11–15
- Learn first
- Ready to start