The "Planet Structures Puzzle" is a small knowledge level game to place the internal structures on the correct planet. Fun educational game to study the interior structures of the planets in the Solar System. Astronomy learning game, suitable for online lessons and interactive classes. Free online game. Fun astronomy class for desktop computers, laptops and tablets, which may be played in the web browser. Interactive lesson for 10 grade. The game is part of the Interactive Astronomy Observatory educational tools.
