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Oily Ice
Source Institutions
In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another liquid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-686.png?itok=leZY1XKB)
DNA Extraction
Source Institutions
Learners use a simple process to extract DNA from strawberries.
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Tie Dye Secret Messages
Source Institutions
In this activity, learners will write a secret message that only their friends will be able to read.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-486.gif?itok=Fi781LOw)
Oil and Soap
Source Institutions
Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.
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Wax 'n Wash
Source Institutions
In this activity, learners create secret messages using a candle. Learners discover that watercolor paint is attracted to some materials, like paper fibers, but not others, like oil.