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Interactive
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Project WET Foundation

Investigate Fresh Water

For Students 3rd - 8th Standards
It's all about freshwater in this water interactive! Users navigate through freshwater habitats such as lakes, rivers, and wetlands, taking note of the animals that live there. They also look at a desert habitat for comparison. Learners...
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Lesson Plan
Curated OER

Exploring Density with Salt and Fresh Water: Part 5

For Teachers 6th - 9th
This particular lesson 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 to...
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Activity
NASA

Freshwater Availability Classroom Activity

For Teachers 2nd - 6th Standards
This science assignment produced by NASA teaches inquiring minds the distribution of Earth's water. Learners will appreciate and understand the importance of fresh water and how weather and climate affects everything.
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Worksheet
Read Works

We Need Freshwater

For Students 1st Standards
Why do we need freshwater? Because freshwater sustains life. After reading a three-paragraph passage about the importance of freshwater, first graders respond to the article by answering comprehension questions. The resource includes...
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Interactive
Curated OER

Fresh Water Facts

For Students 4th - 6th
For this fresh water worksheet, students click on the links in the questions about fresh water to find the answers and then come back and answer the questions. Students answer 9 questions total.
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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. 
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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.
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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...
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Lesson Plan
Curated OER

Changing Planet: The Warming of Our Large Lakes - Reasons for Concern

For Teachers 7th - 10th
Another A+ lesson on the impact of climate change comes to you from the National Earth Science Teachers Association. In this installment, learners model the stratification of water in lakes due to temperature differences. The lab also...
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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!
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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...
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Lesson Plan
Curated OER

Freshwater Fish Anatomy & Taxonomy

For Teachers 10th
Tenth graders use a classification key to identify organisms.  For this classification lesson students identify freshwater species of fish and document their observations. 
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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...
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Worksheet
Curated OER

Freshwater on Earth

For Students 8th
In this freshwater on Earth worksheet, 8th graders color and complete 2 graphs as described in the given information. First, they color the non-drinkable water portion red and the freshwater portion blue in the top graph. Then, students...
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Lesson Plan
Curated OER

Hawaii's Freshwater Animals - Species Report

For Teachers 4th - 5th
Students explore biology by creating a report for the class. For this oceanography lesson, students research and identify the survival characteristics of a list of freshwater animals by utilizing the Internet and library. Students...
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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...
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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...
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Lesson Plan
National Geographic

World Waterworks Activity

For Teachers 8th - 12th
As a way to quickly expose your science class to six different freshwater projects around the world, this lesson assigns each small group to research and share one. All of the information is gleaned from the website for CH2M HILL, a...
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Lesson Plan
Curated OER

Water Conservation

For Teachers 5th - 8th Standards
Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...
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Lesson Plan
Curated OER

Watershed Ways

For Teachers 4th - 12th
Young scholars connect the water cycle concept with local fresh water availability and consumption. They identify waterways in their own region. Students define, predict, research, and map local watershed areas. They research the...
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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...
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Lesson Plan
Curated OER

Freshwater Habitats

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

# 21 Measuring Nitrate by Cadmium Reduction

For Teachers Higher Ed
Students design an experiment to evaluate the effects of various treatments on the nitrogen cycle in a freshwater aquarium. They are required to maintain a laboratory notebook of all work, measure the key analytes of the biosystem at...
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Lesson Plan
Curated OER

World of the Pond

For Teachers 5th - 8th
Field trip! The class will review what they know about organisms that dwell in freshwater ponds, then trek down to the old water hole to collect specimens for examination. This includes several web links, useful tips, and an excellent...

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