A rock is the ___ part of the earth surface., soft, hard, medium, liquid, solid, none, There are ____ main types of rocks., 3, 5, 7, 9, 11, 15, One of these is not a type of rock., sedimentary rock, water rock, metamorphic rock, igneous rock, none of the above, all of the above, Sedimentary rocks are made up of little particles called ______., sediments, mud, water, air, none, all, Which of these rocks comes from volcano's magma?, Igneous rocks, metamorphic rocks, Sedimentary rocks, Sand, all of the above, none of the above, ____ is a colourless, odourless and tasteless liquid substance., air, sand, water, mud, land, none of the following, Which of these is not a natural source of water?r, river, ocean, sea, tap, lake, stream, ______ is a structure built across a river to hold back water., tap, river, dam, ocean, well, none, Which of these materials can attract magnet?, key, coin, nail, pin, all of the above, none, Tick non magnetic material.., paper, coin, nail, pin, key, all of the above

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