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
Changing the Density of a Liquid - Adding Salt
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced...
3rd - 8th Science
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
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