MS-PS1-2

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

More Stories in MS-PS1-2

  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. Materials Science

    Self-powered surface may evaluate table-tennis play

    Scientists at the Georgia Institute of Technology built a 'smart' surface on which to play table tennis. It can track the location, speed and direction of the ball.

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  3. Materials Science

    The future of crystal-based solar energy just got brighter

    Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.

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  4. Chemistry

    Chemistry’s ever-useful periodic table celebrates a big birthday

    2019 is the International Year of the Periodic Table. But the traditional chart is just one of many shapes that chemists and other scientists have developed to organize the elements.

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  5. Chemistry

    Explainer: What are acids and bases?

    These chemistry terms tell us if a molecule is more likely to give up a proton or pick up a new one.

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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: How is water cleaned up for drinking

    Unless you’re drinking well water, city folks typically get drinking water that has been treated in a water-treatment plant. Here’s what that means.

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