Learners hypothesize about the amount of carbon dioxide in soda bottles. In this chemistry instructional activity, students design an experiment to solve the problem. They share findings in class.

Students identify several properties of water as a universal substance, describe the composition of several complex color mixtures and separate the components of dye using chromatographic technique.

Fifth graders develop a colony to be evaluated by the teacher in the role of a "Royal Inspector". In this social studies lesson plan, 5th graders design aspects of a successful society by planning forms of government, politics, and an...