1) All metals are... a) conductors of electricity b) insulators c) shiny d) solid 2) Which gas in the air makes iron go rusty? a) nitrogen b) oxygen c) carbon dioxide 3) What is the proper science name for 'rust'? a) iron oxide b) iron c) oxygen d) magnesium oxide 4) Which methods can we use to stop an iron bike rusting? a) painting the surface of the bike b) oiling the surface of the bike c) keep the bike outside d) keep the bike inside

Metals Quiz

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