1) Name the layers of the Earth. a) Crust, mantle, core b) Crust, mantle, inner core, outer core c) Crust, mantle, ocean 2) Which layer is closest to the surface? a) Crust b) mantle c) core 3) Which layer is liquid? a) crust b) mantle c) inner core d) outer core 4) Which 2 elements make up the core? a) oxygen & iron b) oxygen & nickel c) iron & nickel 5) What is the Earth’s crust made up of? a) soil b) oceans c) solid rock 6) What is the mantle made of? a) semi-molten rock b) solid rock c) liquid rock 7) which is the thickest layer? a) The crust b) The mantle c) The inner core

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