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Rainbow Density Experiment
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In this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions.
The Liquid Rainbow
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
Gassy Lava Lamp
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In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs.
What's So Special about Water: Solubility and Density
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In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.
Liquid Lava Layers
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In this activity, learners explore the concepts of density and basic chemical reactions as they create a homemade lava lamp effect using water, oil, food coloring, and Alka-Seltzer tablets.