Curated OER
Extraction of Caffeine from Tea Leaves
Students conduct an experiment in which they extract the greatest number of grams of caffeine from four bags of tea. They conduct Internet research, conduct the experiment, and record their observations and data.
Curated OER
Growing Barley for Use in Biosynthesis Experiments
Students attempt to determine the optimum growing conditions for barley. They assess the effects of a number of substances such as ammonium chloride and urea on the plants
Curated OER
Teaching about the Rainforest - Classroom Ideas
Students are introduced to the tropical rainforest through different ways that catch their attention such as: Visit a local botanical garden or conservatory so that students can see the variety of tropical plants in the world. They...