Golden Stars?

For pupils to understand the relative size of the universe, Sal makes a relatable comparison. The progression from the size of a man to the size of a galaxy is explained in terms of each object relative to the next. The multiples of...

Students participate in a varity of activities surrounding "gold." They explore the science, myths, and legends about gold and conduct a debate over the environmental problems created by gold mining in a small small mining town.

Are genetically engineered foods risky or beneficial overall? The video, part of the PBS food science series, explores the debate from a scientific perspective. It explains the history of genetic modification, the benefits, and the...

In this hurricane worksheet, students read a poem about the sad aftermath of a hurricane. These appear to be song lyrics with an unknown tune. This is suitable for older students and adults.

Students envision how space observatories make use of monochromatic filters to collect data on the color of objects in space. They see the actual colors of objects when they are in monochromatic light.