1) what are sediments? a) small pieces of rock and mud deposited by water b) pieces of rock and ash thrown out by volcanoes c) rocks which have been changed by heat and pressure 2) how do metamorphic rocks form? a) By melting other rock types b) By weathering and erosion c) By heating and pressing sedimentary rocks 3) What is the difference between intrusive and extrusive igneous rocks? a) Extrusive rocks cooll down inside a volcano and intrusive rocks cool down outside a volcano b) extrusive rocks cool down outside a volcano intrusive rocks cool down inside a volcano c) extrusive rocks can bee seen on the surface and intrusive rocks can't 4) which statement is false? a) Metamorphic rocks never contain fossils b) Igneous rocks form by melting other rock types c) Sedimentary rocks can contain fossils 5) what is the correct order of layers inside the earth? a) Mantle, crust inner core, outer core b) crust, mantle, inner core, outer core c) crust, mantle outer core, inner core

rock cycle quiz

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