Metal alloys lesson

A year 7 or 8 lesson on metal alloys.
PowerPoint and worksheets included (at the back of the PowerPoint).

LOs:
To state what is meant by an alloy.
To describe the uses of some alloys.
To explain why an alloy can be stronger than a pure metal.

1. Do Now: Can you remember the names of these 4 metals? Which would you use to build a bridge? Why?
2. Exposition: Video (BBC) or exposition on alloys. Ask students to define what an alloy is (could be done via Think, Pair, Share).
3. Student Activity: Worksheet answering questions on alloys video (higher and scaffolded version included)
4. Student Activity: 'Information hunt' on what various alloys contain and what their applications are
5. Exposition: Why are alloys strong? Linking strength to microscopic structure
6. Plenary: Exam style question on why alloys are strong (keywords may be provided to help)

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