Curated OER
Attractive Alloys
Include a lab about alloys and magnets in your fourth grade science lesson. Young scientists read the necessary background knowledge about alloys, then choose which objects (a screw, a bell, scissors, or coins) will be attracted to...
Curated OER
Alloys
Tidy slides and lecture notes for each are included in this presentation on alloys. Instruction begins with the molecular arrangement of a pure element, gold, and progresses to a few example alloys: brass, steel, and nitinol. This...
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Density of Pennies Lab
In this density of pennies worksheet, student conduct an experiment to determine the metals used in the core of pennies made after 1983. Students design their own experiments using a balance and graph paper to determine the density of...
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Use of Common Metals
For this metals worksheet, students read about the different properties of aluminum, copper, and iron and determine why these metals are used they way they are used. This worksheet has 5 short answer questions.
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What is a Solution?
In this solutions worksheet, students read about how people first learned to use metals and to combine metals to form alloys. Students write an essay telling the story of how ancient people first learned to cause physical changes in metal.