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    Oregon Museum of Science and Industry
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    In this experiment, learners will conduct chemical and physical tests to identify mystery substances. This experiment is very flexible, allowing educators to determine the number of unknowns to...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime. This activity includes a number of optional...

    $5 - $10 per group Ages 11 - 14 45 to 60 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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    Oregon Museum of Science and Industry
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    In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils). The next phase of the...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners write an invisible message using lemon juice on a piece of paper. They then develop the message by soaking the paper in a dilute iodine solution. The iodine stains the paper blue, but the...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this engineering design activity, learners will design, test, and build a “haunting machine” to solve a Sherlockian mystery. Learners will experience the engineering design process, including...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners perform a simulated blood test procedure. They perform control reactions and test reactions, then use their observations to determine the blood type of different "...

    $1 - $5 per group Ages 11 - adult 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol solution and fake blood (hydrogen peroxide) show learners a blue glow....

    $1 - $5 per group Ages 11 - adult 5 to 10 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects. Learners each take a single hair...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners are given mysterious white powders and have to determine their identity with chemical tests. This resource includes background information about how to identify detergent, citric acid,...

    $1 - $5 per group Ages 11 - adult 10 to 30 minutes