Worksheet
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Sedimentary Rocks

For Students 7th - 8th
In this sedimentary rocks learning exercise, students conduct an experiment where they observe a shallow dish of water and table salt. Then they determine what causes the salt to leave deposits in the pan. Students also describe...
Lesson Plan
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Temperature Effects on Solubility

For Teachers 9th - 11th
Students determine the solubility of salt in water at three different temperatures and graph the results. They use the following skills: observing, inferring, and graphing.
Lesson Plan
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Make An Egg Float!

For Teachers 4th - 5th
Students analyze density. In this density activity, students experiment with floating an egg. Students discover that salt added to water changes the density of the water allowing an egg to float.
Lesson Plan
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Sea Ice

For Teachers 9th - 12th
Learners observe the freezing times and temperatures of water with varying levels of salinity. They determine how icebergs form, how they act, and what they may be made of. They discover that salinity level affects the time it takes...
Lesson Plan
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Biocomplexity Lab Activity: Density and Buoyancy of

For Teachers 7th - 8th
Pupils investigate how the density of water changes the buoyancy of water. Students create a hypothesis about what will happen when placing the egg into the water.Pupils can research online different bodies of water (The Red Sea, The...
Worksheet
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A Tool for the Environment

For Students 7th - 12th
For this desalting salt water worksheet, students will read about three different methods of desalting sea water which includes distilling, crystallizing, and filtering. Students will describe these methods in three short answer...
Lesson Plan
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Sea Activities

For Teachers K
Students explore the sea. In this biology lesson plan, student investigate sea creatures, and sea water. Students discover how to convert sea water into fresh drinking water as well.
Lesson Plan
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Salt Water Wedge

For Teachers 4th - 12th
Students conduct an experiment to observe the properties of both salt and freshwater. They explain why freshwater will stay at the surface while salt water will travel up a river bottom because of density. Students also research the...
Lesson Plan
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Smoothing Out the Rough Spots

For Teachers 5th
Fifth graders experiment to observe the changes created on a surface by mechanical action of water with varying amounts of mineral content and abrasive qualities. They write the predictions of their outcomes and describe all of their...
Activity
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Snow Crystal Picture

For Teachers Pre-K - K
Students color a snow scene and use salt to make snow crystals. In this art activity students add Epson Salt to water and paint the snow background. After drying the salt with sparkle like real snow.
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Displacement Reactions and Acid/Base Reactions

For Students 10th - Higher Ed
In this chemical reactions learning exercise, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and...
Lesson Plan
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The Floating Golf Ball

For Teachers 4th - 6th
Students explore density by floating golf balls. They explore having their golf balls float halfway in a container of water and discuss density and its realtionship to where the golf balls are floating. After adding food coloring, they...
Lesson Plan
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Ranking Salinity

For Teachers 11th - 12th
Students explain the uses of titration in chemistry and in industry. In this chemistry lesson, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline solutions.
Lesson Plan
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The Three E's - Exciting Energetic Electrons

For Teachers 9th - 12th
Students perform flame tests on salts and record the electron configurations for various cations. They analyze and record the results using spectroscopes.
Lesson Plan
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8th Grade Earth Science: Density

For Teachers 7th - 8th
Students draw upon their prior knowledge of the density of water and practice writing a hypothesis, making an observation, and analyzing data while watching a density demonstration.
Lesson Plan
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Greece: The Landscape

For Teachers 4th - 6th
Pupils work in small groups to create a topographic map of Greece. They must include labeled line drawings of bordering countries and bodies of water. Students use salt and flour clay to make Greece three dimensional, showing the many...
Lesson Plan
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Investigating Convection Currents

For Teachers 4th - 8th
Students examine how differences in the temperature and salinity of the water help create ocean currents. They perform an experiment which shows how temperature affects the circulation of ocean water.
Lesson Plan
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Homemade Ice Cream

For Teachers 2nd - 3rd
Students investigate nutrition by creating ice cream in class. In this cooking lesson plan, students define the ingredients in ice cream and discuss how they form together to create a delicious treat. Students utilize salt, ice, milk and...
Lesson Plan
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Plasmolysis in Elodea Plant Cells

For Teachers 9th - 12th
Young scholars microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. Students explain the major function of a cell membrane and describe its structure.
Lesson Plan
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San Ignacio Lagoon: Economy or Ecology

For Teachers 5th - 8th
Students debate over the development in the habitat of gray whales. In this role playing lesson, students will take on various roles in a debate over the development of a salt production facility in the San Ignacio Lagoon concerning the...
Lesson Plan
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Melting Ice

For Teachers 2nd - 4th
Students observe the melting of ice and explore the basic physical changes that occur. They gain information of how different substances change the rate of melting. Students discuss the properties of water and ice, the definition of...
Lesson Plan
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The First Farmers

For Teachers 6th - 9th
Students show how constant irrigation, with repeated evaporation of water that left salts in the soil, eventually ruined much farming land in southern Mesopotamia. They discuss the idea that with the development of irrigation people...
Lesson Plan
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Minerals vs. Rocks

For Teachers 4th
Fourth graders are introduced to the characteristics of a variety of minerals and rocks. As a class, they are shown rocks and minerals and asked to describe them as a geologist would. They work together to measure and record their...
Lesson Plan
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Why Use Money? Getting What We Need

For Teachers 6th - 8th
Students learn the difference between purchase, barter, and payment for service, then explore how the Akan and North African people used a barter system to exchange gold and salt. They identify the most efficient ways of procuring your...

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