Thirsty Rocks
Out of 15 different types of rocks, which rock will absorb the most mineral oil and
increase the most in mass? To understand this experiment, it is important to know a few key facts. Obsidian, granite, basalt, scoria, and rhyolite are igneous rocks. Shale, calcareous tufa, sandstone, conglomerate, and limestone are sedimentary rocks. Slate, marble, quartzite, gneiss, and shist are all metamorphic rocks. The porosity of a rock is the measure of the rock's ability to store a fluid.…
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