earth

Social Studies (X) - Earth (X)

Origins: Fourteen Billion Years of Cosmic Evolution (2004)

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How did the universe, our planet, and life begin?

Who would have predicted that a hot spot left over from the Big Bang would eventually lead to our galaxy, the solar system, the Earth—and to us? Origins explores how the universe and our planet began amid chaos and eventually gave birth to the first stirrings of life.

Grade Level: 
High
Length: 
04:00
Origins: Fourteen Billion Years of Cosmic Evolution

Water Is Life

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Article explores whether we will have enough water to sustain an ever-growing population on earth.

Barbara Kingsolver, “Water Is Life,” in National Geographic (April 2010), http://ngm.nationalgeographic.com/2010/04/water-is-life/kingsolver-text.