Playing to Learn Genre:Puzzle and Mazes

Game that taught me a new educational skill or gave information on a subject:
The game that had all the planets and compared their weightGame that taught me about a new or existing social issue:

None of the games taught me anything new

Game I liked best:

Didn't get to play any games because it did not load

What happens in the game:

You have to pick 2 planets and compare their weight

How do you play it:

I have to compare planets weights and see which one is heavier