Although preparation-intensive, this would be an unforgettable experience in materials engineering. Stimulate learners' curiosity with a slide show and then introduce them to the components of concrete. Small groups mix and pour concrete...

Fifth graders conduct an experiment.  In this changing matter lesson plan, 5th graders receive a cup of crystals, record their observations, add water to the crystals and record new observations. Students then discuss the...

In this chemistry practice worksheet, students solve sixteen problems including identifying chemical and physical changes, calculating numbers with significant figures, naming compounds and writing formulas and converting from one unit...

Students define the words "reversible" and "irreversible." They complete a worksheet that shows a number of changes. Students must decide which are reversible and which are irreversible.