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Kool Colors
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.
Leaves: Extracting Pigments
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.
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To Dye For
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Learners add two dyes to mineral oil and water, and then compare their miscibility (how well they mix) in each.
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Nature of Dye
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"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.
How Do Antacids Work?
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You just ate a big meal and feel heartburn coming on. You take an antacid and feel better. Why? Heartburn is caused by stomach juice (an acid) burning the esophagus.
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Luminescence
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.
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Dye Detective
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Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of water.
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Dye Like A Natural
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In this activity, learners stain fabrics--on purpose!
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Gel Electrophoresis of Dyes
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In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel.
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Writing for Night Vision
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In this activity (page 1 of the PDF under SciGirls Activity: Forensics), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of visibl