MS-PS4-2

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

  1. Planets

    Let’s learn about Mars

    Traveling to Mars offers many challenges, including life without gravity, cosmic rays and communication delays.

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  2. Health & Medicine

    When physicians and veterinarians team up, all species benefit

    When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.

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  3. Tech

    ‘Frozen smoke’ could protect electronics from annoying static

    A fluffy material made from cellulose nanofibers and silver nanowires can protect electronic devices by blocking more than 99.99 percent of disrupting interference, a new study reveals.

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  4. Climate

    Let’s learn about solar power

    Solar power is a way to harness energy from the sun, and lessen our reliance on fossil fuels.

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  5. Space

    Surviving Mars missions will take planning and lots of innovation

    Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.

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  6. Climate

    Student scientists work to help all of us survive a warmer world

    From glaciers in the refrigerator to a rover in the field, here’s how young scientists are looking to help us adapt to climate change.

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  7. Humans

    Changing climates can take cooling tips from warm regions

    When summer heat waves hit northern cities, people might look to keep cool using tropical building strategies — and forgotten architectural wisdom.

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  8. Archaeology

    Stonehenge enhanced voices and music within the stone ring

    Scientists built a 'Stonehenge Lego' model in a sound chamber to study how sound would have behaved in the ancient stone circle.

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  9. Brain

    You don’t see as much color as you think

    It might seem like we live in a world full of color. But when scientists flip it into black and white, most people never notice the switch.

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  10. Planets

    Saturn’s moon Titan may host lots of dried lakes

    Suspicious spots around the moon’s middle could be the beds of ancient lakes. If so, this might solve a 20-year-old mystery.

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  11. Space

    Spotted: Milky Way’s giant gas bubbles in visible light

    The bubbles have different colors, based on how the gas inside them moves. That could give clues to how the bubbles developed.

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  12. Brain

    Explainer: How our eyes make sense of light

    It takes a lot for images before the eyes to be 'seen.' It starts by special cells sensing the light, then signals relaying those data to the brain.

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