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Metamorphic Rocks Complete the gaps in these sentences using words from the box below (some may be used more than once) All rocks are made up of different _____________. When these minerals are _____________ and squashed, they can change into _____________ ones. Metamorphic rocks have been _____________ within the Earth. All _____________ rocks were originally other types of rock. As more layers of rocks build up, the older rocks get pushed _____________ into the Earth. Earth _____________ can squeeze the rocks and raise their _____________. Gradually, over a very _____________ period of time, the rocks get changed into _____________ rocks. One example is the _____________ rock limestone, which changes into _____________ when it is heated and squashed. Key words: changed; different; down; heated; long; marble; metamorphic; minerals; movements; sedimentary; temperature This table shows the names of sedimentary rocks, and the names of the metamorphic rocks they turn into. Use words from the box below to complete the table Name of original rock Name of metamorphic rock Marble Rocks: limestone; quartzite; sandstone; shale; slate