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Worksheet
Curated OER

Algebra Word Problems

For Students 8th - 9th
In this word problems worksheet, students solve 20 different word problems that are related to and use algebra. First, they determine the total amount of money spent in one week given the information. Then, students determine the...
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Lesson Plan
Curated OER

Handwashing and Sanitation

For Teachers 9th - 12th
Students experience and visualize first hand the importance of proper hand washing through a hand washing experiment with different temperatures of water and with a different length of time to wash. They prevent food-borne illness and...
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Lesson Plan
Curated OER

Equilibrium: What Is It?

For Teachers 10th
Tenth graders investigate chemical, physical and mechanical equilibrium. In this equilibrium instructional activity, 10th graders participate in a physical activity to show equilibrium by some students standing and some students sitting...
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Worksheet
Curated OER

Will an Ice Cube and an Orange/Lemon Float?

For Students 1st - 3rd
In these discovering if an ice cube and an orange or lemon will float in water worksheets, students conduct the two experiments, record the results, and answer questions. Students write 18 short answers.
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Lesson Plan
Curated OER

Saltdough Ladybug

For Teachers K - 12th
Young scholars make salt dough and then fashion it into the shape of a lady bug, shich they later paint after it has been baked.
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Lesson Plan
Curated OER

Desalination: Creating a Solar Still

For Teachers 4th - 6th
To better understand how solar power can aid in creating desalinated drinking water, the class creates a model still. They will build a model of a solar still, make observations, and discuss how the process works. While the idea behind...
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Lesson Plan
Public Schools of North Carolina

Democratic Republic of Congo - Map Skills

For Teachers 5th - 7th
Work on your map skills with a packet of activities about the river basins in the Democratic Republic on Congo. Learners study the maps provided before answering the geography questions and writing an acrostic poem about the region.
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Lesson Plan
PBS

Sea Surface Temperature, Salinity, and Density

For Teachers 9th - 12th Standards
Earth's vast ocean is full of mysteries! Science scholars discover the big-picture properties that influence its characteristics at different latitudes using a lesson from PBS's Weather and Climate series. After completing a background...
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Worksheet
Curated OER

The Excretory System

For Students 8th - 9th
In this excretory system worksheet, students read a brief excerpt about water balance and the excretory system. Then they identify what compound birds, insects and reptiles living in dry habitats excrete. Students also describe how...
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Lesson Plan
Curated OER

Sea Ice

For Teachers 9th - 12th
Students 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...
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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

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.
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Lesson Plan
Curated OER

Ranking Salinity

For Teachers 11th - 12th
Students explain the uses of titration in chemistry and in industry. In this chemistry instructional activity, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline...
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Lesson Plan
Curated OER

Greece: The Landscape

For Teachers 4th - 6th
Learners 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...
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Lesson Plan
Curated OER

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...
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Lesson Plan
Curated OER

Brine Shrimp Survival

For Teachers 6th - 8th
Students develop an understanding of how growth and survival of an organism depends on physical conditions. They design an artificial environment in which brine shrimp can thrive. Students determine the optimum salinity for hatching of...
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Lesson Plan
Curated OER

Sea Level and the Terrapin

For Teachers 6th - 10th
Students study the habitat of the terrapin. In this terrapin lesson, students create a diorama of the habitat of the terrapin. Students also simulate how it would look if people moved into the area and how predators can threaten terrapin...
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Lesson Plan
Curated OER

Activity 2: Salinity & Tides

For Teachers 9th - 12th
High schoolers explore the effects of tides and salinity on an estuary. In this salinity and tides lesson plan, students complete 3 activities which help them understand estuarine systems. They study the tides in the Chesapeake Bay, they...
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Lesson Plan
Curated OER

Water Water Everywhere and Not a Drop to Drink!

For Teachers 6th - 8th
Students describe limitations of fresh water resources on ships at sea. They realize the value of fresh water on the ocean and around the world. Students gain a knowledge of the process and economic cost of desalinization.
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Lesson Plan
Curated OER

A Funny Taste

For Teachers 3rd - 12th
Students participate in a demonstration that illustrates the relative amounts of salt in various bodies of water including the Dead Sea, Sallt Lake, Ocean water and distilled water. They taste and compare various mixtures.
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Lesson Plan
Curated OER

Making and Using a Hydrometer

For Teachers 9th - 11th
Students 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,...
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Worksheet
Curated OER

Sedimentary Rocks

For Students 7th - 8th
For this sedimentary rocks worksheet, 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 sedimentary...
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Lesson Plan
Curated OER

Make An Egg Float!

For Teachers 4th - 5th
Students analyze density. In this density instructional 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.
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Lesson Plan
Curated OER

Biocomplexity Lab Activity: Density and Buoyancy of

For Teachers 7th - 8th
Students 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.Students can research online different bodies of water (The Red Sea, The...

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