This bingo card has 45 images and 45 words: Granite, Gold, Basalt, Copper, Diorite, Limestone, amethyst, schist, Pumice, Shale, Sedimentary, Felsic, obsidian, Eclogite, gneiss, Quartzite, Slate, sulfur, gabbro, flint, calcite, sandstone, chalk, rhyolite, marble, Magnetite, Galena, Feldspar, Pyrite, Quartz, Fluorite, Metamorphic, mafic, Conglomerate, foliated, igneous, intrusive, extrusive, pressure & temperature, compaction & cementation, melting, cooling, crystal size, rock cycle and weathering & erosion.
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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.