STEM Challenges
Explore fun and educational challenges across math, science, engineering, and coding!
Showing 6 of 121 challenges (filtered)
Inner and Outer Planets
Space ExplorerOur solar system has two very different neighborhoods — a rocky inner zone and a giant-filled outer zone. Explore what divides them and what makes eac...
The Sun and Orbits
Space ExplorerThe Sun is the star at the center of our solar system and the gravitational anchor that keeps every planet in its path. Discover what the Sun is made ...
How the Solar System Formed
Space ExplorerWhere did the Sun, Earth, and all the planets come from? Journey back 4.6 billion years to witness the incredible birth of our solar system from a swi...
Exploring the Moon
Space ExplorerFrom the first robotic probes to astronauts walking on the surface, humanity has been reaching for the Moon for over 60 years. Discover the missions t...
Tides and the Moon
Space ExplorerTwice a day, the ocean rises and falls — and it is the Moon's doing. Discover how gravity across vast distances can move billions of tonnes of water, ...
Moon Phases and Eclipses
Space ExplorerThe Moon appears to change shape every night — but it is not actually changing. Learn how the Moon's orbit creates phases, and why sometimes the Moon ...