Nuffield Foundation
Investigating the Effects of Biochar on Soil Fertility
Breathe some new life into charcoal. Scholars use biochar to improve soil fertility. They test the effectiveness of this addition by conducting an experiment with soil having 0%, 2%, and 4% biochar.
Teach Engineering
Water Remediation Lab
Water filtration — that's pure genius! Groups test the ability of a water filter to purify water by running chlorine contaminated water through a filter and measuring the chlorine concentrations as they filter the water. They then graph...
Curated OER
Use of the Forest in the Economic Evolution of Oakville, Pennsylvania
Learners explore forest usage and the ways which it affected the development of Oakville. They identify the technological advances that shaped forest based industries, and the current challenges facing the community of Oakville.
Curated OER
Chemistry of Iron and Charcoal Manufacturing in PA
Students examine the historical purpose of the forests in Pennsylvania and investigate how the iron manufacturing process works. In this chemistry lesson students write the chemical formula for making charcoal.
Curated OER
People at Work
Students observe people at work and draw them in pencil or charcoal in high contrast values.
Curated OER
Colors - Both Natural And Unnatural
In this color names worksheet, students identify and locate both natural and unnatural color names. There are 108 colors located in the word search.