Students investigate water hardness. In this water hardness lesson plan, students determine the water hardness in 4 samples of water after buffering each. By using titration and an indicator, students can determine the amount of calcium...

While the Industrial Revolution may have fueled America's rise to the top of world markets, the child laborers often faced dangerous conditions. Using primary source images and other information, scholars consider what these children...

Students summarize the major events of the Civil Rights Movement. They examine leaders such as Martin Luther King, Jr. and Malcolm X and what they did for the movement. They also listen to music from the Civil Rights Era and their...

Lab groups set up an experiment to observe what happens over time in collected pond water when fertilizer, representing pollution, is added. This website does not include student lab sheets, but background information, materials, and...

Students learn about plastic. In this plastic polymers lesson plan, students examine the properties of plastic, its variety of uses and how it is recycled.

Students explore organizing to resist oppressive authority without the use of violence.  In this philosophy lesson, students research Gandhi's approach to organizing people around a positive cause without the need to be aggressive...

Students examine the energy saving benefits of trees. They identify ways in which trees reduce air pollution. They also work together to solve problems related to pollution.

Students determine what an anemometer is and how it measures wind speed. They decide on a place to put a wind turbine by using an anemometer. They examine the role that engineers play when using wind speed to determine a place for wind...