Fill-in-the-blank and short answer worksheet that follows the Ancient Earth: Humans PBS NOVA. This resource follows the video in order and is a great resource for world history, Earth science, geography, life science, and biology classes. This can be used as a stand alone lesson, or as part of a larger unit pertaining to ancient Earth, evolution, ecology, environmental studies, or early life on Earth. Included is a regular copy of the viewing guide, a modified copy with a word bank, and a comple