Curated OER
Astronomy
In this astronomy learning exercise, students complete a word search puzzle by finding 53 astronomy terms such as planets, lunar eclipse, and galaxy.
Curated OER
Chandra Spies the Longest Sound Wave in the Universe!
In this black hole worksheet, students use an x-ray image and a sound waves image to determine the size and the wavelength of the sound wave. This worksheet has 3 problems to solve.