Curated OER
Bathtub Physics - Density, Buoyancy and Flotation
Students study Archimedes' Principle, flotation and the reaction of buoyant forces and explain the relationship between density and flotation.
Curated OER
Advanced Critical Reading: Salt
In this critical reading instructional activity, students read a passage regarding salt then answer three questions based on the reading.
Curated OER
Impact of Exotic Species on Lake Ecology
Students examine the effect of foreign species on various habitats. In groups, they identify the population dynamics of the zebra mussel. They calculate averages and graph data from Seneca Lake in New York. They develop hypothesis...
Curated OER
Chemistry: Knowledge Quiz
In this chemistry quiz instructional activity, learners complete a set of 10 multiple choice questions covering a variety of chemistry concepts.
Curated OER
Learning Lesson: Salt 'n Lighter
Students participate in a demonstration showing that as salinity increases density increases as well. They also examine the different densities of air. They discuss the amount of water displaced by large ships.
Curated OER
Archaeobotany
Students study pictures of seeds and the conditions in which they grow during their study of archaeobotany. They infer ancient plant use by looking at archaeobotanical samples. They determine the change of plant use by interpreting a...