Here’s a game for budding geologists. Read the clues and select from several types of rocks to see if you can match the clues to the rock. If you are correct, hurray. If you are incorrect, the game will tell you, but will also give you the correct answer. The pointing finger shows you where you are in the game. After ten rocks, the game ends, but since there are samples of fifteen rocks, just play again.
courtesy of Knovation