Curated OER
Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
Curated OER
Water Cycle Stories
Students create water cycle stories. In this water cycle lesson, students review the parts of the water cycle. They create a story that describes the journey of a water molecule as it makes its way through the cycle and into different...
Curated OER
T-Shirt Chromatography
Students study about chromatography, a process used to separate mixtures. They see that chromatography is used to detect, separate or purify different substances. This nice lesson results in a beautiful t-shirt for each student!