In this supernova worksheet, students read about the expanding supernova shell that was discovered by the Chandra X-ray Observatory. Students solve two problems including finding the scale of the given images and determining the average...

In this measuring speed in the universe worksheet, students use photographs of 3 astronomical phenomena including supernova explosions, coronal mass ejections and solar flare shock waves to find how fast they move. The photographs show...

In this pulsars worksheet, students read about the spin rate of pulsars and they are given two equations that predict the spin rate in the future of these two pulsars. Students solve 6 problems related to the given equations and...

In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.