In this salinity worksheet, students simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.
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Investigating the Effect of Salinity on the Density and Stability of Water
Water with varying amounts of dissolved salt are dyed and then used to compare densities. The objective is to discover the effect of salinity, and therefore density, on ocean water on the stability of the ocean. Many branches of science...
6th - 8th Science
That Sinking Feeling: Density Currents Lab
Seawater density varies depending upon your location, which means that ships float higher or lower in the ocean depending upon their location as well. In a hands-on activity, individuals explore the density of ocean water. In groups,...
6th - 12th Science CCSS: Adaptable
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
9th - 12th Science CCSS: Adaptable
Sea Surface Temperature and Coral Bleaching
A toolkit is something that has what you need to fix or make something. You just clicked on a teacher's toolkit for introducing the concept of coral bleaching in relation to climate change and changing sea temperatures. In it, you will...
5th - 8th Science CCSS: Adaptable