1) What are the three main types of rocks? a) Metamorphic b) Sedimentary c) Igneous d) Plastic 2) What do we call the top layer of soil? a) Topsoil b) Subsoil c) Bedrock d) Loam 3) Which of these can be found in soil? a) Minerals b) Water c) Plastic d) Sand 4) What is the layer of the Earth beneath the crust called? a) Mantle b) Core c) Crust d) Atmosphere 5) What do we call the process of breaking down rocks? a) Condensation b) Weathering c) Melting d) Erosion 6) What is soil made up of? a) Rocks b) Living things c) Water d) Air 7) Which of these is a use of rocks? a) Food b) Jewellery c) Building materials d) Clothing 8) What is the innermost layer of the Earth called? a) Outer layer b) Mantle c) Crust d) Core

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