Science// Rock Types This is KS3 work 0.0 / 5 ? FunFunFunNone Created by: issy_Created on: 17-06-14 19:35 Are the more than one type of rock? Yes 1 of 16 What is igneous rock formed from? Magma 2 of 16 What do extrusive igneous rocks do? Cool quickly above ground 3 of 16 What do intrusive igneous rocks do? Cool slowly under ground and eventually get exposed when rocks above them wear away 4 of 16 Where are igneous rocks often formed? Volcanoes 5 of 16 The speed of the igneous rocks cooling affects what? The size and texture of the crystal 6 of 16 If an igneous rock contains a large crystal that means what? The rock has cooled slowly 7 of 16 Basalt is what type of igneous rock? Extrusive 8 of 16 Sedimentary rocks are formed from what? Sediment 9 of 16 Sediment is what? Rock fragments or dead matter 10 of 16 How long does sedimentary rock take to form? Millions of years 11 of 16 How are the layers in sedimentary rock cemented together? By other minerals 12 of 16 How do you find out how old a sedimentary rock is? Look at the type of fossil 13 of 16 Metamorphic rocks are a result of what? Heat 14 of 16 Metamorphic rocks will definitely not have tiny crystals in them False, they may have tiny crystals in them 15 of 16 An example of a sedimentary rock is what? Limestone, chalk or sandstone 16 of 16
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