Seven percent of Americans believe the moon landing was staged. The presentation covers manned space exploration from the beginning of the space race through the Gemini missions. The lesson is the 23rd in a set of 26.

The breakthrough of Mendelian genetics solved many puzzles for biologists. Then, scientists decided to apply the theory to human behavior. Learn the story and struggle of finding a genetic explanation for hobbies, interests, and mental...

Third graders explore WWII by analyzing technological advances. In this invention lesson, 3rd graders discuss the use of the Enigma machine which decoded private German messages that communicated with U-boats. Students utilize a timeline...

Students access and use the Farm Security Administration and Office of War Information, American Memory collection and Todd and Sonkin collection for research. They develop research skills and strategies, such as key word searches to...