Students see that the production and use of nuclear energy has been both praised and condemned as a source of electrical power for our daily living. They examine the reasons for the conflict of opinions in our society.

Students study the history of telegraph invention. In this technology lesson, students build their own Morse Telegraph System. They discuss how this invention benefits the society.

Learners locate transistor devices in school. They explain the importance of transistors.

Learners investigate the effects of moisture and dampness on homes, clothing, and mold growth. In this moisture lesson, students discuss which certain cities are damper than others based on location and geography. They talk about the...