Students calculate fixed and variable costs. In this costs lesson, students read a case study about an entrepreneur and her business costs. Individuals complete the provided worksheets to find costs and make related business decisions....

Following detailed directions, teams collect the voltage and current outputs of a photovoltaic cell by adjusting the resistance. Using the collected data, they determine the highest power output. Implications for weather and a large...

Students explore use of batteries and electrical power on farms in the 1930s.

Students, in groups, interpret data about traffic using Palm technology.

Students investigate seed germination. In this lesson on scientific prediction, students conduct a scientific experiment using oat seeds.