HS-PS4-1

Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.

  1. Physics

    Filter lets in only the right light

    Scientists have built a light filter that only permits light coming from one desired angle to pass through. Built from alternating layers of transparent materials, it could help minimize the glare in telescopes and cameras or boost the efficiency of solar cells.

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  2. Earth

    The quake that shook up geology

    North America’s biggest earthquake struck 50 years ago. Here’s what science has learned about Earth since the 1964 Great Alaskan Earthquake.

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  3. Earth

    Explainer: Telling a tsunami from a seiche

    Waves that hit coastlines with ferocious power, tsunamis are one of the planet’s most devastating forces of nature. And seiches: They’re tsunamis little, but still potentially deadly, cousins.

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  4. Space

    Waves from the birth of time

    Inflation is the idea that in the split-second after the Big Bang, the universe exploded into huge-ness. Although the hypothesis is 30 years old, evidence to confirm it had been lacking. Until now.

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  5. Space

    How the outer sun gets so hot

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  6. Earth

    Tsunami’s trek traced in the sky

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  7. Tech

    Lasers of a feather

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  8. Environment

    Underwater racket

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  9. Animals

    A Sense of Danger

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