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Lesson Plan
Curated OER

Lab: Percent of Composition of KClO3

For Teachers 9th - 12th
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
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Worksheet
Curated OER

Module 5 Revision Guide - Chemistry

For Students 9th - 12th
If you use this as an outline for your chemistry lecture on metals, your young chemists will absorb a well-rounded overview. This is not a worksheet per se, but a useful summary of the behavior of metals. Save yourself some planning and...
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Worksheet
Curated OER

Human Tools: From Stone to Iron

For Students 7th - 10th
For this tools worksheet, students read about the tools used during the Stone Age and how the process of smelting lead to a great change in tool making. Then students complete 3 short answer questions.