NOVA and BBC have produced an exciting earth history series. Ranging from earth's origin to mass extinctions to the age of humans, each episode features expert commentary, exotic locations, and stunning computer graphics. This single download contains, at a discounted price, video worksheets to accompany the five episode NOVA Ancient Earth series. The download contains five, two-sided video worksheets for Birth of the Sky, Frozen, Life Rising, Inferno, and Humans. Added together, the workshee