1) Glass is made from heating ............................... a) sand b) oil 2) We use .............................. to make plastic. a) oil b) copper 3) Copper in nature is found in the form of......... a) raw copper b) copper wires 4) We burn ............... to generate electricity. a) coal b) natural gas 5) The resource used to make my bed comes from:  a) sand b) wood log 6) My cotton socks comes from a plant. a) true b) false 7) Electricity can be generated from renewable resources. Example: a) Solar energy b) sleep energy

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