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Making Metals Strong

Students demonstrate the effect of cold-working and annealing on the ability of wires of the same metal to support a load. They hammer a piece of copper wire to half of its original thickness. They bend it back and forth several times and heat it until red hot.

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Resource Details

Grade
9th - 12th
Subjects
Science
1 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning