Extraction of Caffeine from Tea Leaves
Learners 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.
9th - 12th Science 3 Views 8 Downloads
Rain Forest Teaching Curriculum
Take young naturalists on an exploration of the world's tropical rainforests with this extensive collection of lessons and activities. Whether its creating leaf and flower prints or investigating the absorption spectrum of chlorophyl,...
K - 12th Science CCSS: Adaptable
Heat and the Second Law of Thermodynamics
More than a week's worth of investigation is provided in this source. Physical science stars experiment to describe specific heat, conduction, convection, and radiation. They also discover the relationship between mechanical and thermal...
7th - 12th Science
New Review Marker-Assisted Selection
Want your class to experience selecting for desirable traits in plants firsthand? Learners extract DNA from a peach, use a dye to visualize DNA, and perform gel-electrophoresis to select for genetically-based frost resistance in peach...
9th - 12th Science CCSS: Designed