Space, explained like you actually want to learn it.

Interactive lessons, simulations, and quizzes that make space science click. Start free, learn at your pace.

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Top lessons

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🧲 Magnetism

Teaches magnetic field lines, poles, and how field strength changes with distance.

Free
πŸŒ™ Moon Phases

Teaches why phases happen and how to identify waxing/waning phases.

Free
πŸŒ™ Gravity Basics

Teaches mass vs weight and how gravity depends on mass and distance.

Free
πŸ§ͺ Periodic Table Challenge

Sort all 118 elements into their correct positions on the periodic table.

Free
βš—οΈ Physical vs Chemical Changes

Sort examples into physical or chemical changes and learn the science behind each.

Free
βš›οΈ Build an Atom

Add protons, neutrons, and electrons to build any element with a 3D visualization.

Free
πŸ₯½ Lab Safety

Navigate lab scenarios and learn safe practices through realistic consequences.

Free
πŸŒ‘ Eclipses

Teaches solar vs lunar eclipses, shadow parts (umbra/penumbra), and alignment.

Pro
πŸ›°οΈ Orbits

Teaches what an orbit is and why orbiting is falling while moving sideways.

Pro
πŸͺ Solar System Map

Teaches planet order, inner vs outer planets, dwarf planets, and asteroid/Kuiper belts.

Pro
πŸ“ Space Scale & Distance

Teaches AU vs light-year and how astronomers measure space distances.

Pro
🧭 Seasons

Teaches how tilt changes sunlight angle and daylight length (not distance from the Sun).

Pro

Top missions

Fresh challenges, ready when you are.

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FAQ

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How do lessons work?

  • Pick a topic, read the core idea, and try the demo.
  • Finish the questions to check understanding.

What do I get with Pro?

  • All lesson packs and quizzes.
  • All worksheets.
  • 10% off all missions.
  • Priority access to new content drops.