Comprehension and additional task exercises pages 98 and 99 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• What an ore is
• That metals can be extracted from ores using electricity (expensive) or displacement using carbon (cheaper)
• The reactivity series as to why carbon can be used to displace metals from their ores if they are lower than carbon in the series
• The general equation for displacement of metals from metal oxides using carbon and heat
• The blast furnace and carbon used to obtain iron from iron oxide and its uses
• Obtain lead from lead oxide as another example
• An exercise labelling the blast furnace
• An exercise on how metals obtained this way make our lives better
• Amazing WHAT? facts
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