This is an Earth Science/ Astronomy quiz, with an answer key. It has 2 parts: One is a diagram, and the other is a fill in section. There is one extra credit opportunity. Use it for an internet quiz, a take home activity, or even in a center. Use it for a supplemental activity .Use it on Earth Day. Knowledge of the Earth is still ongoing. Additionally, There is a science tidbit about a woman seismologist, who is credited with Discontinuity Theory. She also had a theory about the mantle. Knowled