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

    Explainer: Seismic waves come in different ‘flavors’

    Earthquakes generate several different types of seismic waves, some more damaging than others

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  2. Chemistry

    Scientists Say: Photochromic

    Photochromic chemicals change shape when exposed to a specific wavelength of light. The shape change changes the chemical’s color.

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  3. Physics

    Scientists Say: Acoustic

    Acoustic is an adjective used to describe something involving sound. It’s also a noun that refers to the branch of physics that studies sound.

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  4. Physics

    Gravitational waves detected yet again

    For the third time in 16 months, scientists have announced detection of gravitational waves washing over the spacetime environment in which Earth resides. This seems to show that such waves may not be rare.

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  5. Earth

    Ancient Arctic ‘gas’ melt triggered enormous seafloor explosions

    Methane explosions 12,000 years ago left huge craters in bedrock on the Arctic seafloor. Scientists worry more could be on the way today as Earth’s ice sheets melt.

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  6. Chemistry

    BPA-free plastic may host BPA-like chemical, teen finds

    Something has to replace the BPA in ‘BPA-free’ plastics. A teen has been probing what that is.

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  7. Brain

    When is an epileptic seizure about to strike?

    Two high-school research projects suggest ways to identify early warnings of a coming epileptic seizure. This might give people time to free themselves from potentially dangerous activities.

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