Pupils discuss why the ocean is salty. They discuss what salinity is. Students are told that is they want to know how much salt is in a body or water, they would use a special scientific tool. They complete an Estuarine Layers science experiment.
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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
New Review Understanding the C’s: Wind Circulation, Coriolis Effect, Surface Currents, Ocean Currents and Climate
There's more to climate than just the weather — explore the different components that affect weather with an enlightening resource. A hands-on unit takes an inquiry-based approach to studying wind and ocean currents. Learners discover...
7th Science CCSS: Designed
The Motion of the Ocean
What drives the ocean's motion? Get your class moving toward understanding by using this video. Viewers find that thermohaline circulation is caused by the concentration gradients of temperature and salinity. Using adorable animation in...
5 mins 6th - 12th Science CCSS: Adaptable
The Relationship Between Salinity and the Density of Water
Students investigate density and salinity of water. In this density and salinity lesson plan, students find the density of objects and liquids and show the relationship between the salinity and density of water. Students add salt to...
7th - 9th Science