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    Hands-On Optics
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    In this activity, learners explore how mirrors reflect light and change the way we see things. Learners examine reflections of the letter "R", adjusting a pair of hinged mirrors until...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun. Learners construct the photometer by making a grease spot on white paper...

    1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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    BioEd
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    In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants. This 1-2 week activity allows learners to learn about the needs of plants and...

    $5 - $10 per group Ages 8 - 14 1 to 4 weeks
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    TERC
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    In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and...

    $1 - $5 per group Ages 11 - adult 45 to 60 minutes
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    The Exploratorium
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    In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get. The answer lies in the Inverse Square Law,...

    $5 - $10 per student Ages 11 - 18 10 to 30 minutes
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    Twin Cities Public Television
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    In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    Bridge: Online Ocean Science Education Resource Center
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    In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr. Kerstin Fritsches at the University of Queensland in Brisbane,...

    free Ages 14 - 18 1 to 2 hours
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    NASA
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    In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space. Learners will discover the process of how light...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    BioEd
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    In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope. This lesson guide...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of the PDF under Butterfly Wings Activity) about how visible light is affected by tiny nanoscale structures, producing iridescence on butterfly wings, soap...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours

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