This test covers 6 sections of Prentice Hall's chapter 2 Astronomy science book. The chapter covers observing the solar system where students learn about the ideas of scientist Aristotle, Ptolemy, Copernicus, Galileo, Newton and Kepler. It covers key ideas on the sun, the sun's three layer atmosphere, nuclear fusion, and features on and above the sun's surface. The four inner planets; Earth, Venus, Mercury and Mars - as well as the four outer planets; Jupiter, Saturn, Uranus and Neptune. Pluto and Charon are also included. Key terms include geocentric, heliocentric, ellipse, inertia, solar flare, solar wind, terrestrial planets, retrograde rotation, meteoroid, meteorite, photosphere, chromosphere, corona, prominence and extraterrestrial life. There are 30 multiple choice questions, 10 modified true and false questions, 20 fill in the blank (completion) questions, 12 short answer questions, and 8 essay questions. Enjoy the ready made Solar System test with answer key included from Mrs. Gresham.