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Lesson Plan
Curated OER

Investigating the Effect of Salinity on the Density and Stability of Water

For Teachers 6th - 8th
Water with varying amounts of dissolved salt are dyed and then used to compare densities. The objective is to discover the effect of salinity, and therefore density, on ocean water on the stability of the ocean. Many branches of science...
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Worksheet
Curated OER

The Movement of Ocean Water-Science Puzzlers, Twisters & Teasers

For Students 5th - 8th
In this earth science worksheet, students complete 19 questions about oceans and the movement of ocean water in the form of puzzles, word scrambles, and brain teasers.
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Website
American Museum of Natural History

What's the Big Deal About Water?

For Students 6th - 12th
It may seem simple, but water is one of the most unique substances on Earth. An interactive online lesson describes its properties and importance in so many different situations. Learners interact with the lesson to learn the role water...
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Lesson Plan
Curated OER

Salty Sea Water

For Teachers 2nd - 4th
Students conduct an experiment to find out if there is salt in the ocean. In this scientific inquiry lesson, students pour a cup of salt water onto an aluminum plate and observe the changes over a few days. Students complete an included...
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Lesson Plan
Curated OER

The Great Ocean Conveyor

For Teachers 6th - 10th
Students investigate water density. For this water density lesson, students conduct an experiment with food coloring, water and salt to see how the salt effects bodies of water.
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Activity
NOAA

Please Pass the Salt

For Students 3rd - 5th
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...
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Lesson Plan
Curated OER

Finding the Deep Water Masses of the Atlantic Ocean

For Teachers 9th - 12th
Students describe the role of density in driving deep ocean currents and the density layers of the ocean. They determine that the ocean is one continuous body of water with global currents that interact, with water surrounding all...
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Lesson Plan
Curated OER

Is the Hudson River Too Salty to Drink?

For Teachers 6th - 9th
Learners 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

Water Layering and Circulation

For Teachers 5th - 7th
Learners examine relationships and interactions between different types of water. They experiment with colored water of different temperature and salinity and discuss how the results relate to real ocean currents.
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Worksheet
Curated OER

Water Topics

For Students 4th - 6th
In this science worksheet, students focus on the role of water in the environment and its many uses. They answer questions in the multiple choice and short answer form.
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Worksheet
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K12 Reader

Water Water Everywhere

For Students 4th - 5th Standards
The protection of our water supply is the subject of an article used in this cross-curricular reading comprehension worksheet. After studying the passage, readers use information from the text to respond to a series of comprehension...
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Lesson Plan
Curated OER

Liquid Rainbow

For Teachers 2nd - 5th
Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.
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Lesson Plan
Space Awareness

Ocean Acidification

For Teachers 5th - 11th
Learn the science behind ocean acidification and its effects on ocean wildlife. Young scientists conduct a laboratory investigation that monitors the acidity level of water. While burning a candle, learners capture the carbon dioxide in...
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Lesson Plan
Curated OER

Sea Water Freeze

For Teachers 6th - 8th
Learners observe how salinity affects the time it takes water to freeze. They participate in an experiment to determine that ice is essentially salt-free whether formed from fresh or salt water
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Lesson Plan
Polar Trec

Nature's Density Column

For Teachers 6th - 10th Standards
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...
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Lesson Plan
Curated OER

Properties of the Ocean: Change

For Teachers 5th - 7th
Students research and create a visual presentation on the seasonal salinity of the Earth's oceans. They apply the research in a simulation of a lab disaster in which they must relabel ocean samples.
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Lesson Plan
Curated OER

Hot, Cold, Fresh and Salty

For Teachers 9th - 12th
Students observe the effects of layering water and what is more or less saline than normal. In this geoscience lesson students create saline solutions, layer them and observe how the water becomes different temperatures in different layers.
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Lesson Plan
Curated OER

Major American Water Routes

For Teachers 6th
Sixth graders locate and identify the major bodies of water and waterways in the United States. Through a simulation activity, they describe how early explorers would have described their surroundings. Working in groups, they create...
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Interactive
Scholastic

Study Jams! Earth's Oceans

For Students 4th - 8th
Enjoy beautiful images and ocean facts together with the slide show, then see how much you absorbed by taking the quiz. Some of the topics covered in the presentation include water pressure, sunlight in the ocean, the names and locations...
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Lesson Plan
Curated OER

Water Is Cool!

For Teachers 3rd - 5th
Learners explore the importance of water. In this water lesson plan, students view a table to determine the amount of water found in the oceans, lakes, atmosphere, and streams. Learners discuss ways to be a good steward of water.
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Lesson Plan
Curated OER

Salty Solutions

For Teachers 6th - 8th
Students measure salt content in water. They determine salt content of four samples using a hydrometer.
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Lesson Plan
Curated OER

Salt Water vs. Fresh Water

For Teachers 6th - 8th
Students explore why the oceans do not freeze. They explain why they think the Atlantic Ocean does not freeze. Students are given background information about what they are doing. They create a hypothesis about what they believe...
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Lesson Plan
Curated OER

Water Density and Salinity

For Teachers 6th - 8th
Learners observe how different water densities control the depth at which different water masses occur. They explain one fact that they comprehend about salt water. Students comprehend that temperature and salinity affect the density...
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Lesson Plan
Curated OER

Water Quality Monitoring

For Teachers 6th - 12th
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...

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