Curated OER
How Big Is That Star?
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
Curated OER
x-rays - the Letter X
Students demonstrate the ability to draw vertical, horizontal, and diagonal lines, recognize the difference between inside and outside, and create a picture of themselves.
Curated OER
X-rays
Students examine chest x-rays of adults and students and learn what an X-ray illustrates. They also explore the limitations to X-ray technology for use in diagnosing heart and lung ailments.