HS-PS4-4

Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter.

  1. Physics

    Student radiation experiment goes to space

    The Exploration Design Challenge asked students to design shields that would protect astronauts from radiation. Teachers can still involve classes in the challenge.

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  2. Physics

    Sending student science to space

    Two teachers describe how they worked with the Student Spaceflight Experiments Program to get middle-school scientists excited about research and space.

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  3. 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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  4. Kids’ ingenuity honored at Intel ISEF

    Young scientists receive awards in international competition.

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  5. Physics

    Explainer: What is a laser?

    Lasers are the brightest source of light on Earth and produce the purest form of color possible.

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