Curated OER
Mystery Powders
Students collect microscopic images from a variety of chemical specimens to determine the identity of a mystery powder. They use a ProScope Digital USB Microscope to describe and compare the crystal size and shape of the chemicals.
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Disposable Diaper Comparison and Mystery Powder Identification
Students investigate which diaper is the most absorbent. In this chemistry lesson, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.
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Who Took Jerell's iPod? ~ An Organic Compound Mystery
Within the setting of a crime scene investigation, biochemistry beginners analyze organic compounds as a means of determining "Who dunnit." They use a brown paper test for lipids, glucose test strips and iodine to identify carbohydrates,...
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Oobleck and the Mystery Powders
Pupils listen to the book, "Oobleck," by Dr. Suess before experimenting with mystery powders. They determine the proper ratio of powder to liquid to make the Oobleck.
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Investigating Chemical and Physical Changes
Students explore physical and chemical changes by looking at how different powders react to a variety of substances. They observe and identify the difference between physical and chemical change using a mystery powder.
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Confectionary Bureau of Investigations: Case of the Cookie Mystery
Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...
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Feely Balloons
Students use their sense of touch to identify different types of solids. In this "Mystery Solids" lesson, students feel various balloons filled with items such as rice, flour, salt, beans, etc. They use their senses to come to logical...
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CSI, Second Grade Style
Second graders conduct a classroom investigation. In this investigative lesson, 2nd graders spend their time observing, measuring, and collecting data. They simulate a forensic science lab by conducting a fingerprint, scent, footprint,...
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Science: Criminalistics - A New Look at Crime
Young scholars examine the world of forensic science, focusing on fingerprint analysis. In the lesson, they implement a method by which fingerprints of class members are categorized and identified. Elementary students study...