Interactive planet internal structures.

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.

There are 9 layer sections of planets from the Solar System at the top left of the screen. The top right window shows the names of the layer of the selected planet interior structure. And there are the 9 planets at the bottom of the screen. Connect every layer sections with the correct planet to win the game. Roll over the planets for their names and planet cut.

Internal structure of the planet Mercury:
- Very thin atmosphere;
- Crust;
- Rocky mantle;
- Huge core of iron and nickel.

Internal structure of the planet Venus:
- Dense, hot carbon dioxide atmosphere;
- Crust;
- Mantle;
- Partially molten metal core.

Internal structure of the planet Earth:
- Blue atmosphere;
- Crust;
- Upper mantle;
- Rocky mantle;
- Molten metal outer core;
- Hard metal core.

Internal structure of the planet Mars
- Rare atmosphere;
- Crust;
- Mantle;
- Iron core.

Internal structure of the planet Jupiter:
- Hydrogen helium atmosphere;
- Liquid Hydrogen;
- Liquid metallic hydrogen (ultra high pressure);
- Iron core.

Internal structure of the planet Saturn:
- Hydrogen helium atmosphere;
- Liquid Hydrogen;
- Liquid metallic hydrogen (ultra high pressure);
- Iron nickel core.

Internal structure of the planet Uranus:
- Atmosphere of hydrogen, helium and methane;
- Mantle of ammonia, water and methane ice;
- Iron silicate core.

Internal structure of the planet Neptune:
- Atmosphere of hydrogen, helium and methane;
- Ice mantle;
- Iron core.

Internal structure of the planet Pluto:
- Thin atmosphere of methane and nitrogen;
- Ice mantle;
- Large rocky core.