1) The outer most layer of the Earth. a) Inner core b) Outer core c) Mantle d) Crust 2) The hottest part of the earth also known as the 'engine room'. a) Inner core b) Outer core c) Mantle d) Crust 3) The only layer of the Earth that has life on it. a) Mantle b) Crust c) Inner core d) Outer core 4) Convection currents are circular movements of molten rock in the Mantle a) True b) False 5) Why is the inner core solid? a) Due to heat b) Due to pressure and weight. c) As a result of the convection currents d) It is made from Nickle 6) The outer core is made from a) Igneous rock b) Iron c) Iron and Nickle d) Sedimentary rock 7) Which is the largest layer of the Earth? a) Inner core b) Outer core c) Mantle d) Crust 8) The inner core is approximately how hot a) 1000 degrees b) 3000 degrees c) 5000 degrees d) 7000 degrees 9) The mantle is made from a) Iron b) Nickle c) Molten rock d) Lava 10) The outer core is a) Semi-solid b) Liquid c) Solid d) Neither solid nor liquid

Structure of the Earth

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