HS-PS1-8

Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.

More Stories in HS-PS1-8

  1. Ecosystems

    Scientists Say: Decay

    This word can refer to rotting flesh or the transformation of radioactive atoms.

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  2. Animals

    Tiny animals survive 24,000 years in suspended animation

    Tiny bdelloid rotifers awake from a 24,000-year slumber when freed from the Arctic permafrost.

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  3. Physics

    Nuclear clocks are nearly here

    More precise clocks could improve technologies such as GPS and help scientists test major ideas in science.

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  4. Animals

    Traces from nuclear-weapons tests offer clues to whale sharks’ ages

    Traces left by nuclear-bomb testing in the 1950s and ‘60s can help researchers learn how old a whale shark is.

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  5. Space

    Black hole mega-burp was truly explosive

    Long, long ago, in a galaxy far, far away, a black hole blasted out 100 billion times as much energy as our sun ever will. One word for that: Wow!

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  6. 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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  7. Earth

    Explainer: Where fossil fuels come from

    Despite one oil company famously using an Apatosaurus as its logo, oil, gas and coal don’t come from dinosaurs. They do, however, come from a long time ago.

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  8. Planets

    How Earth got its moon

    How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.

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  9. Scientists consider how to visit the closest exoplanet

    Even at only a little more than four light-years away, a trip to our closest exo-world could take some tens of thousands of years — unless we’re willing to settle for virtual visits.

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