+
Lesson Plan
Curated OER

Exploring Density with Salt and Fresh Water: Part 5

For Teachers 6th - 9th
This particular lesson plan was written by the National Earth Science Teachers Association, but density is a concept that you can teach at the beginning of the school year in your life, physical, or earth science classes. It would be fun...
+
Lesson Plan
Curated OER

Freshwater/Saltwater "Eggs-Periment"

For Teachers 3rd - 5th
Students explore water properties by conducting a class experiment. In this buoyancy lesson, students utilize freshwater, saltwater, plastic cups, hard boiled eggs and food coloring to experiment with the floating capabilities of salt...
+
Worksheet
Curated OER

Floating on Salt Water

For Students 5th
Mixing substances together causes their properties to change. This resource illustrates that concept for fifth graders by having them consider four questions that have to do with buoyancy and boiling point. Learners begin to understand...
+
Lesson Plan
Curated OER

Oceans of Fun

For Teachers 4th - 5th
Here is a great hands-on activity that should lead to a greater understanding of salt water, why the ocean is salty, and how ocean waves are formed. This terrific, old-school lesson has clearly described activities, and all of the...
+
Lesson Plan
Curated OER

Environment: Water & Air

For Teachers 3rd - 5th
The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...
+
Lesson Plan
Curated OER

So Much Water, So Little to Drink

For Teachers K - 2nd
Students explore salt and fresh water. In this water lesson, students investigate the amount of Earth covered by water. Students compare the amounts of salt water to fresh water. Students create a visual representation to aid comprehension.
+
Lesson Plan
Michigan Sea Grant

Water Quantity

For Teachers 4th - 8th Standards
It may be tricky for a young mind to conceptualize that less than 1% of all water on earth is useable for humans to drink. Simulating the amount of fresh water available on earth by removing measured amounts of water from a five-gallon...
+
Lesson Plan
Curated OER

Tracking the Salt Front

For Teachers 3rd - 5th
Using the Hudson River as the focus, learners discuss the difference between salt water and fresh water environments, analyze maps and graphs, and complete addition and subtraction problems. This lesson comes with a wealth of...
+
PPT
Curated OER

Water Ecosystems

For Teachers 3rd - 4th
Freshwater and Saltwater ecosystems are the focus of this Earth Science PowerPoint. Presentation is full of interesting facts, photographs, and maps. A slide with review questions appears at the end of the presentation. Very nice!
+
Lesson Plan
Curated OER

Earth's Water: A drop in your cup

For Teachers 2nd - 8th
Students complete activities where they observe the amount of freshwater in the world as a fraction of the actual amount of water using different mixtures. In this freshwater lesson plan, students brainstorm on how to preserve freshwater. 
+
Lesson Plan
Curated OER

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
Curated OER

Salt Water Wedge

For Teachers 4th - 12th
Pupils 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
Curated OER

Saltwater Science

For Teachers 2nd - 5th
Students conduct an experiment that shows them how salt water allows things to float. In this salt water lesson plan, students mix ingredients together to create salt water and observe how it makes the oceans dense. They then interpret...
+
Lesson Plan
Centers for Ocean Sciences

Ocean and Great Lakes Literacy: Principle 1

For Teachers 3rd - 12th Standards
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...
+
Lesson Plan
Curated OER

Freshwater Habitats

For Teachers 6th - 8th
Students take samples from local freshwater sources and examine them for macroinvertebrate life. They take samples from both shallow and deep freshwater environments, measure temperatures, and classify organisms found in their samples.
+
PPT
Curated OER

Sunken Millions

For Teachers 3rd - 4th
This PowerPoint provides a game show format with multiple choice questions about fresh and salt water. Topics include sources of water, water geography, uses of water, and the water cycle.
+
Interactive3:35
Scholastic

Study Jams! Aquatic Ecosystems

For Students 5th - 9th Standards
Mia's friends are fish-sitting while she is away on vacation. Zoe divulges to Sam that different animals need different habitats, and that there are both freshwater and saltwater ecosystems. Examples of the kinds of organisms found in...
+
Worksheet
San Francisco Public Utilities Commission

Desalination: Turning Salt Water into Fresh Water

For Teachers 2nd - 4th Standards
How does San Francisco supply its citizens with enough water, even during a drought? Learn about reservoirs and why desalination could be a good solution with a reading passage about water conservation. After kids finish the...
+
Lesson Plan
Education Outside

Our Water Planet

For Teachers 3rd - 6th Standards
Fresh water is a precious resource. Most kids don't realize how little of the water on Earth is actually drinkable. This lesson will help to illuminate them on this important topic. They discus the ratio of water to land, where most...
+
Lesson Plan
Curated OER

Do Salt Water Fish Drink?

For Teachers 7th - 10th
Students conduct an experiment with potato cores and a sucrose solution to investigate how salt water fish process water. They develop a lab report of their experiment.
+
Lesson Plan
Curated OER

Biomes: Freshwater & Seawater

For Teachers 6th - 8th
Students observe organisms behavior and adaptations.  In this biomes lesson students conduct fieldwork to determine water quality and answer questions about the differences between different habitats. 
+
Worksheet
Curated OER

Salinity Lab

For Students 8th - 10th
In this salinity worksheet, students simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.
+
PPT
Biology Junction

Water Biomes

For Students 9th - 12th Standards
Water covers more than 70 percent of Earth's surface. Scholars learn about both freshwater and saltwater biomes in a simple presentation. They compare and contrast the differences in oxygen levels, food sources, and sunlight to better...
+
Activity
NOAA

Please Pass the Salt

For Students 3rd - 5th Standards
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to observe how...