1) What does the presence of tiny crystals in a piece of igneous rock tell you about it? a) The molten rock cooled very quickly b) The molten rock cooled very slowly c) The molten rock cooled deep underground 2) Which one of these rocks is an igneous rock? a) Marble b) Limestone c) Basalt 3) What is magma? a) Salt crystals in sedimentary rock b) Molten rock c) Bubbles of gas 4) Which of the following is the order for forming sedimentary rocks? a) Sedimentation - cementation - compaction b) Compaction - sedimentation - cementation c) Sedimentation - compaction - cementation 5) Only one of these rocks is a sedimentary rock. Which one? a) Shale b) Granite c) Slate 6) Where are the oldest layers of rock usually found in a cliff made from sedimentary rock? a) At the top b) At the bottom c) At the middle 7) Which statement about metamorphic rocks is correct? a) They are formed when rocks are heated until they melt b) They are only formed from heated sedimentary rocks c) They are formed from all types of rock when they are heated and compressed 8) Which type of rock never contains fossils? a) Sedimentary b) Igneous c) Metamorphic 9) Which statement about the crystals in metamorphic rocks is correct? a) They are small if the molten rock cooled quickly b) They are large if the molten rock cooled slowly c) They are often arranged in layers 10) Which metamorphic rock is formed from limestone? a) Marble b) Slate c) Shale

rock types (using quiz)

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