MS-PS4-2

Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.

More Stories in MS-PS4-2

  1. Earth

    Earthquake sensor: Taylor Swift fans ‘Shake It Off’

    Scientists determined dancing fans were behind the seismic waves recorded during Swift’s August concerts.

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  2. Earth

    Explainer: Sprites, jets, ELVES and other storm-powered lights

    Fleeting glows collectively known as “transient luminous events” flash in the skies above powerful lightning storms.

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  3. Oceans

    Analyze This: Climate change may worsen the spread of ocean noise

    Some parts of the ocean may become five times as loud in the future.

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  4. Earth

    The weird sky glow called STEVE is really confusing scientists

    Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.

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  5. Space

    This space physicist uses radios to study eclipses

    Nathaniel Frissell uses radio data to study how eclipses affect a layer of the atmosphere called the ionosphere.

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  6. Physics

    Physics explains why poured water burbles the way it does

    The loudness of falling water depends on the height of the pour and the thickness of the stream.

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  7. Physics

    Scientists Say: Polarized light

    Sunlight, lamplight and other lights are usually unpolarized. But passing light waves through filters can ‘polarize’ them.

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  8. Physics

    Neutrons are unveiling hidden secrets of fossils and artifacts

    Images made with these particles have revealed details of dinosaur bones, mummies and more.

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  9. Archaeology

    Analyze This: Stonehenge’s ‘Altar Stone’ has mysterious origins

    After a century of searching for the source of the Altar Stone, scientists have yet to figure out where ancient people got the rock.

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