In this series of fun and fluid activities, students explore the properties of liquids. They play a classification game, observe how food coloring moves through different liquids, then create secret salad dressing recipes and an Ocean in a Bottle. The Rain Drops and Oil Drops activity can prompt discussion of environmental issues such as oil slicks, and was used in many Alaska schools to educate students about the 1989 oil spill. A great way to introduce younger students to the properties of matter and an excellent physical science unit for primary grades.
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