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. Space

    Let’s learn about auroras

    A gust of charged particles from the sun called the solar wind lights up auroras on Earth — and on other planets.

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  2. Materials Science

    These colorful butterflies were printed with transparent ink

    Clear ink creates a whole rainbow of colors when printed in precise, microscopic patterns. This phenomenon is known as structural color.

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  3. Chemistry

    Chemistry solves a French royal mystery

    Ink analysis reveals the hidden words of Marie Antoinette's letters and who tried to hide them.

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  4. Space

    Explainer: How auroras light up the sky

    The northern and southern lights are considered natural wonders of the world. Here’s how these and related splendid sky glows form.

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  5. Tech

    A sense of touch could upgrade virtual reality, prosthetics and more

    Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.

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  6. Environment

    Explainer: Urban heat islands and how to cool them

    Cities transform landscapes covered in plants to ones covered in heat-absorbing asphalt and concrete. But ways exist to cool these urban heat islands.

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  7. Humans

    How torchlight, lamps and fire illuminated Stone Age cave art

    Experiments with stone lamps and torches are helping scientists see 12,500-year-old cave art with fresh eyes.

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  8. Animals

    Uncovering secrets of the glasswing butterfly’s see-through wings

    The tricks of its transparency include sparse, spindly scales and a waxy coated membrane.

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  9. Animals

    Birds could get their sense of direction from quantum physics

    Songbirds could detect north and south using a protein in their eye. It works somewhat like a compass.

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