1) Crystals form in _______ rock. a) Igneous rock b) Sedimentary rock c) Metamorphic rock 2) Wavy layers in metamorphic are caused by ... a) Heat and pressure b) Melting lava c) Weathering d) Erosion 3) How do sediments become a sedimentary rock? a) Compacting and cementing b) Heat and pressure c) Melting and cooling d) Erosion and weathering 4) Igneous and metamorphic both require _________ ___________. a) Extreme heat b) Extreme pressure c) Lots of weathering d) Erosion of sediments 5) True or false: A hot summer day can create enough heat to make an igneous or metamorphic rock a) True b) False 6) All rocks start start as sedimentary then become igneous and finally metamorphic. a) True b) False 7) Chemical, clastic, and organic are terms related to... a) Igneous rocks b) Metamorphic rocks c) Sedimentary rocks 8) Foliated and non-foliated are terms related to.. a) Igneous rocks b) Metamorphic rocks c) Sedimentary rocks 9) Intrusive rocks have larger crystal grains than extrusive rocks a) True b) False 10) Sandstone is a type of which rock? a) Igneous b) Metamorphic c) Sedimentary 11) Which of these would be an organic sedimentary rock? a) Coal b) Sandstone c) Conglomerate 12) Granite is an example of.. a) An extrusive igneous rock b) An intrusive igneous rock c) A foliated metamorphic rock d) A non-foliated metamorphic rock 13) Which type of rock would form over thousands of years from contintents colliding? a) Igneous b) Metamorphic c) Sedimentary 14) If a rock is fine grained, it is also... a) Intrusive b) Extrusive c) Organic d) Foliated 15) Magma always forms.. a) Intrusive rocks b) Extrusive rocks c) Organic rocks d) Clastic rocks

Rocks- review

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