Curated OER
How Old Are the Stars?
Students determine the age of a star cluster by observing, measuring, and plotting astronomical data. They examine the Jewe lbox cluster, located within the southern constellation Crux and determine its age.
Curated OER
Physical Body Limits
Eighth graders examine how the Nazis overworked the Jewish people and see how there are physical limits tot he body. In this physical limits lesson students complete several activities.