What effect makes children's shoes light up? Answer: Piezoelectric effect. Here is a PowerPoint presentation that describes piezoelectric materials as being able to convert mechanical energy to electrical energy. Individuals learn how...

There's more to that glowing ball of light in sky than most children realize. From the overall structure of the solar system, to the changing of the seasons, these hands-on lessons open the eyes of young scientists to...

Embark on a year long investigation of the seasons with this 10-lesson earth science unit. After being introduced to different types of weather and the tools used to measure it, young scientists perform fun hands-on activities that...

Consider this online resource that includes accurate information about past participles for a reference material for your Spanish language, or as a source of inspiration for your own lesson. Beginning with a definition of past...

Commercial advertising—we can't get away from it, but do we realize just how often we are being advertised to? With this lesson, scholars analyze mass media to identify how its techniques influence our daily lives. Learners browse...

Do you know how much water you have had in the last 24 hours? Do you know how much your body needs? In this hands-on activity, your class members will estimate how much water our bodies lose each day by filling and emptying one-liter...