Curated OER
Chalk Chromatography
Your chemistry class is sure to love this experiment on column chromatography, as demonstrated with chalk sticks and felt tip markers. Pupils use sidewalk chalk (another inexpensive form of chalk stick) to demonstrate adsorption and the...
Curated OER
This Life Stinks
Chemosynthetic communities of cold seep areas are considered in this lesson. Working in collaborative groups, marine biology or oceanography learners research and prepare a report about oxidation-reduction reactions involved with...