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Topics/Subjects:
Structure and properties of matter  
Resource Type:
Model  
Instructor guide/manual  
Educational Level:
Elementary school  
Instructional Strategies:
Cues, questions, and advanced organizers  
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This is a hands-on lab activity about seawater density. After developing a hypothesis, learners will conduct a simple investigation of density. They will discuss changes in density observed and describe how salt affects the density of water.... (View More)

This activity promotes student understanding of some of the movements that take place when warmer water and cooler water interface, and how differences in densities, resulting from variations in temperature, set molecules of liquids and gases in... (View More)

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