1) Rocks are made up of a) Minerals b) Sand 2) Marble and slate are a) igneous rocks b) metamorphic rocks 3) This rock is used in flooring, construction and for making statues a) Granite b) slate 4) Slate is used for making blackboard and slate a) true b) false 5) Sandstone is an example of a) sedimentary rock b) igneous rock 6) This rock powder is used by the dentist for polishing our teeth a) pumice b) conglomerate 7) Pumice floats in water because it has air pockets a) false b) true 8) conglomerate has a) even texture b) uneven texture 9) cooling and melting of lava leads to the formation of a) metamorphic rocks b) igneous rocks 10) Limestone has a mineral called a) quartz b) calcite 11) Limestone is used for making a) chalk b) blackboard 12) obsidian has a) sharp edges b) blunt edges

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