Curated OER
History of the X-Ray
Seventh graders discuss the history of the x-ray machine. For this social science lesson, 7th graders understand how a x-ray machine works. Students recognize that there have been many improvements to the x-ray machine over the...
Curated OER
Solving Mummy Mystery Helps History Come Alive
Students uncover more mysteries of Ancient life. They see how artifacts can reveal much about a complex culture's history and beliefs. They study the long line of ancient Egypt's pharaohs.