This bingo card has a free space and 24 words: luster, streak, basalt, hardness, cleavage, cementation, igneous, specific gravity, density, fracture, shape, color, crystalline structure, cristal, inorganic, melting, erosion, magma, lava, cooling & hardening, compaction, meta-morphic, sedimentary and weathering.
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Learn how to conduct a bingo game.
With players vying for a you'll have to call about __ items before someone wins. There's a __% chance that a lucky player would win after calling __ items.
Tip: If you want your game to last longer (on average), add more unique words/images to it.