In this activity, students use tea light candle holders and a student-made balance to compare the weight of equal volumes of wax, water, and clay. Students will discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float. And since the clay weighs more than an equal volume of water, it is more dense and will sink.

Concepts

density, water density

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Additional Tags

object density, inquiry in action

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Classroom Considerations

• Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional|practice