Alabama Learning Exchange
The Composition of Seawater
Students explore the concept of finding the composition of seawater. In this finding the composition of seawater instructional activity, students make a saturated salt water solution. Students discuss why there is variation in ocean...
Curated OER
Driving Currents
Learners conduct a variety of investigations to see how water, heat, and salinity affect the flow of the world's ocean currents,as well as, explore many factors that affect the flow of the world's ocean currents. They also describe in...
Curated OER
Effects of the Southern Pacific Railroad Causeway
Fifth graders describe the appearance of a substance before and after a physical change. They re-create the Southern Pacific Railroad Causeway across the Great Salt Lake. They determine for themselves how the water is exchanged...
Curated OER
One World Ocean
Students compare and contrast the properties of salt water in the oceans/seas and freshwater elsewhere on the planet. They also analyze mixing caused by currents in the ocean, including the effects of warm and cold water as well as with...
Curated OER
Salinity Of Soil
Fourth graders investigate the contents of various types of soil to determine the differences in salinity levels. They conduct an experiment of observing the plants in the different soils. Students then determine survival rates by...
Curated OER
Understanding Salinity
Young scholars 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...
Curated OER
Which Sand Contains The Most Salt?
Students investigate the salinity levels of sand samples taken from several different sources. They conduct tests and observations to measure the current salt levels. They develop a hypothesis from the experiment to determine the factors...
Curated OER
A Salty Experiment
Students study salty and fresh waters. In this harbor estuary lesson students complete a lab activity on salinity and describe what happened.
Centers for Ocean Sciences
Ocean and Great Lakes Literacy: Principle 1
Is your current lesson plan for salt and freshwater literacy leaving you high and dry? If so, dive into part one of a seven-part series that explores the physical features of Earth's salt and freshwater sources. Junior hydrologists...
Curated OER
Water Properties of the Great Salt Lake
Fourth graders examine the ecosystem of the Great Salt Lake in this two-part instructional activity, completing a KWL chart before and after the field trip to the site. While there, they draw and write about their observations. To test...
Curated OER
A Funny Taste
Students participate in a demonstration that illustrates the relative amounts of salt in various bodies of water including the Dead Sea, Sallt Lake, Ocean water and distilled water. They taste and compare various mixtures.
Curated OER
Biocomplexity Lab Activity: Creating Salt Water
The lesson seeks to intorduce to students the properties of salt water and how to create salt water. Teacher gives backgound information about salt water to students. From that point, students dscuss what elements are in salt water....
Curated OER
Getting Physical with Estuaries
High schoolers study estuaries and how the physical factors change over time. In this investigative lesson students use a website to gain knowledge of estuaries then in groups they create and present their charts.
Curated OER
Biochemistry Detectives
Students explore the process of chemosynthesis and relate it to the biological communities in cold seeps. In this biochemistry instructional activity students interpret analyses of enzyme activity and draw inferences about organisms in...
Curated OER
Drifting Downward
Students study the effects of different salients and temperatures on vertical movement of an organism. In this experimental lesson students design different shapes of foil to simulate drifting planktonic organisms.
NOAA
Ocean Layers II
Now that you know the ocean has layers, let's name them. The seventh installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program covers terminology associated with ocean layers, such as thermocline and...
Polar Trec
Nature's Density Column
Nature provides density columns in the polar regions that provides food for many animals. Young scientists build their own density columns with water in order to answer analysis questions. Through a slideshow presentation, scholars...
Curated OER
What is an Estuary?
Students define the terms estuary and watershed. They conduct an experiment to determine the density differences between fresh and saltwater. They examine the salinity distribution of the Peconic Bay Estuary.
Curated OER
Fish Farm: an open ended, student centered laboratory activity
Students are contacted by a fictitious company which raises tropical fish to do basic research for them so that they might keep their production costs down. They need to know the optimum salinity in which to hatch the brine shrimp that...
Curated OER
Weather, Sea Level Rise and Climate Change Course
Students explain the impact of glacial melting to global climate change. In this environmental science lesson, students design an experiment to investigate the effect of salinity change to melting glaciers. They share their results to...
Curated OER
Soil pH & Plants
Students investigate the pH of the soil in which different plants grow. They design and carry out an experiment to determine the factors that affect the growth of a population of plants, identifying and controlling major variables...
Curated OER
Estuarine Currents
Students experiment observing a demonstration on models of density-driven currents which are typically found in an estuarine system of water flow. They compare/contrast water temperature and salinity to the formations of estuarine currents.
Curated OER
Monitoring Estuarine Water Quality
Students analyze water quality data from real data. In this environmental science instructional activity, students examine how salinity and dissolved oxygen affect the living organisms in the estuary. They interpret graphs to support or...
Polar Trec
Is There Salt in a Glacier?
What can conductivity tell us about a glacier? Groups analyze glacial melt to determine salt content through an analysis of the pH and conductivity measurements of two samples. Groups then determine the source of the salts.
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