HS-ESS2-7

Construct an argument based on evidence about the simultaneous coevolution of Earth systems and life on Earth.

More Stories in HS-ESS2-7

  1. Earth

    Study appears to rule out volcanic burps as causing dino die-offs

    New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.

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  2. Environment

    Australian fires have imperiled up to 100 species

    As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.

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  3. Earth

    Explainer: Understanding geologic time

    Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.

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  4. Earth

    Oxygen-rich air emerged super early, new data show

    Scientists had thought animals were slow to emerge because they would have needed oxygen-rich air to breathe. A new study finds that plentiful oxygen may have developed early. So animals may have been late on the scene for another reason.

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  5. Fossils

    Clues to the Great Dying

    Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.

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  6. Earth

    Nepal earthquake offers hints of worse to come

    The magnitude 7.8 earthquake that crumbled much of Nepal’s capital city could be overshadowed by larger future earthquakes along the Himalayas, scientists say.

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  7. Fossils

    Dino double whammy

    Most scientists think an asteroid helped kill off the dinosaurs. But new calculations suggest that asteroid might have gotten some help from a long series of volcanic eruptions in what is now India.

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