English National Curriculum - Science
Mission Objectives
Explain the properties and benefits of aluminium and why it is an important metal
Describe and explain the extraction of aluminium from aluminium oxide, including the role of cryolite and replacement of carbon anodes
(HT) Write balanced half-equations for the reactions at the electrodes during the electrolysis of aluminium oxide
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Words and meanings to learn
electrolysis
the breaking down of an ionic compound using electricity
bauxite
a sedimentary rock rich in aluminium compounds (such as aluminium oxides and hydroxides); it is the primary ore from which aluminium is extracted
cryolite
a compound added to aluminium oxide to lower its melting point, making the electrolysis process more energy-efficient
aluminium oxide
the compound Al₂O₃ formed from bauxite; it is an ionic substance used as the starting material in the electrolysis extraction of aluminium
ore
a naturally occurring rock or mineral from which a metal can be profitably extracted — such as bauxite for aluminium
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
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