Curated OER
Lab: Percent of Composition of KClO3
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...
Curated OER
Module 5 Revision Guide - Chemistry
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 learning exercise per se, but a useful summary of the behavior of metals. Save yourself some...
Curated OER
Human Tools: From Stone to Iron
In 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.
PBS
Pbs Learning Media: Minerals in Our Environment
What minerals are in your toothpaste? A pencil? A telephone? This interactive resource adapted from the U.S. Geological Survey illustrates the variety of minerals used in everyday items found in kitchens, bathrooms, offices, and yards.