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Lesson Plan
Curated OER

Understanding Salinity

For Teachers 6th - 8th
Students 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...
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Lesson Plan
Curated OER

Capillary Action and Adhesion

For Teachers 6th - 8th
Students perform classroom experiments to observe adhesion. They perform a second experiment using sand, salt, water, and a heat lamp to observe the principle of capillary action. They also experiment with adhesion in plants.
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Lesson Plan
Curated OER

Introduction to Coral Reefs

For Teachers 5th - 7th
Students identify locations of coral reefs, both in the water and around the globe, identify relative depth of corals in the ocean by observing behavior of cold and warm saltwater, and create models of coral reefs.
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Lesson Plan
Alabama Learning Exchange

Presenting the Water Cycle

For Teachers 3rd
Third graders complete a unit of study about the water cycle using both print and Internet based resources. They examine fresh and salt water and complete an online quiz before developing a multimedia presentation highlighting the phases...
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Lesson Plan
Curated OER

Everyone Has Problems, but Chemists Have Solutions

For Teachers 9th - 12th
High schoolers observe molar solutions being prepared and gain an understanding of concentration. In this solutions lesson plan, students observe a solution of drink mix being prepared parallel to a solution of salt water. High schoolers...
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Lesson Plan
Curated OER

Is the Hudson River Too Salty to Drink?

For Teachers 6th - 9th
Students explore reasons for varied salinity in bodies of water. In this geographical inquiry lesson, students use a variety of visual and written information including maps, data tables, and graphs, to form a hypothesis as to why the...
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Lesson Plan
Curated OER

Corrosion to Corals

For Teachers 7th - 8th
Students study galvanic exchange and how it produces electric currents.  In this ocean lesson plan students predict what metals deteriorate in salt water. 
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Lesson Plan
Curated OER

Surface Water and Groundwater

For Teachers 2nd - 6th
Students examine distribution of water and minerals. In this surface and groundwater lesson, students conduct an experiment with fresh and salt water making hypothesis and drawing conclusions about minerals. 
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Lesson Plan
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American Chemical Society

Density: Sink and Float for Liquids

For Students 6th - 8th Standards
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
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Worksheet
Curated OER

A Tool for the Environment

For Students 7th - 12th
In 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 questions...
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Lesson Plan
Curated OER

Out of the Deep

For Teachers 3rd - 4th
Students observe, describe, and record characteristics of ocean animals (mammals and fish) and sea shells. They conduct an experiment comparing and contrasting sugar water, salt water and fresh water and create a mural of coral reef...
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Lesson Plan
Curated OER

The Weight of Water

For Teachers K - 3rd
Students examine how salt water is more dense than fresh water. They discuss how manatees need to float and sink, conduct a sink or float experiment, and conduct an experiment with eggs and salt and fresh water.
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Lesson Plan
Curated OER

"Eggs-perimenting" Fun

For Teachers K - 8th
Young scholars dissolve salt into water, place an egg into a glass of salt water, observe and record observations, make a scientific hypothesis, summarize what they studied from this hands-on experiment. They share their ideas and...
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Lesson Plan
Curated OER

Changing the Freezing Point of Water with Salt

For Teachers 1st
First graders explore freezing points. For this science lesson plan, 1st graders determine the temperature at which water freezes, understand why salt water freezes at a lower temperature than plain water, and understand why the string...
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Lesson Plan
Curated OER

Marvelous Marshes of the Chesapeake

For Teachers 3rd
Third graders identify sources of salt water and fresh water that enter the Chesapeake Bay. They build a model watershed and describe how runoff enters the Bay.
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Lesson Plan
Curated OER

Soap, Wood, and Water

For Teachers 5th - 8th
Students measure the properties of two different types of soap and wood and calculate their densities. Then they predict whether or not whether or not each object would float or sink in fresh or salt water.
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Lesson Plan
Curated OER

To Be Salty Sea Ice Or Not

For Teachers 6th - 8th
Middle schoolers explore what type of solutions freeze. They design their own experiments to compare how fresh water and salt water freezes. In addition, they write their observations in a journal and complete analysis questions.
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Lesson Plan
Curated OER

Corrosion/Conservation/Preservation

For Teachers 9th - 12th
Young scholars examine the reasons why metal corrodes in regard to metal artifacts. In groups, they discover the affects of salt water on metal and compare the type of corrosion found on iron. They also research the types of metal...
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Lesson Plan
Curated OER

Making and Using a Hydrometer

For Teachers 9th - 11th
Pupils build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally, students...
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Lesson Plan
Curated OER

Tenochtitlan Needs a Drink

For Teachers 6th - 8th
Students engineer a way to provide drinking water using Aztec technology.  In this engineering a way to provide drinking water using Aztec technology lesson, students find a way to deliver fresh water to a city surrounded by salt water. ...
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Lesson Plan
Curated OER

Modeling Estuaries

For Teachers 4th - 6th
Students create a model estuary. In this modeling estuaries lesson, students identify characteristics and mix water of varying densities. Students form a hypothesis, conduct an experiment, and analyze the results.
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Lesson Plan
Virginia Department of Education

States of Matter

For Teachers 9th - 12th Standards
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to boil water through...
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Activity
Museum of Science

Design a Submarine

For Teachers K - 6th
Don't just sink the boat. Using a closed container as a submarine, pupils experiment to see what to add to the container to make it float, sink to the bottom, and hover in the middle. After finding one option, learners see if they can...
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Lesson Plan
Curated OER

Make An Egg Float!

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

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