Learners discover how astronomers used the diameter of the Earth's orbit around the Sun as a baseline for estimating the distance of some stars, and the meaning of "Parsec" and "light year."
9th - 12th Science 3 Views 1 Download
Regents High School Examination: Physical Setting Earth Science 2008
Throughout this earth science exam, high-school geologists complete a series of multiple choice and short answer questions about the solar system, atmosphere, and earth system. This is an amazing test, as are all of the exams developed...
9th - 12th Science