Curated OER
Handwashing and Sanitation
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...
Curated OER
Equilibrium: What Is It?
Tenth graders investigate chemical, physical and mechanical equilibrium. For this equilibrium lesson, 10th graders participate in a physical activity to show equilibrium by some students standing and some students sitting at the same...
Curated OER
Will an Ice Cube and an Orange/Lemon Float?
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.
Curated OER
Saltdough Ladybug
Students make salt dough and then fashion it into the shape of a lady bug, shich they later paint after it has been baked.
Curated OER
Desalination: Creating a Solar Still
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...
Public Schools of North Carolina
Democratic Republic of Congo - Map Skills
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.
PBS
Sea Surface Temperature, Salinity, and Density
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...
Royal Society of Chemistry
A Microscale Acid-Base Titration
Watch as acids and bases put smiles on their faces. Young chemists learn the concept of acid-base titration firsthand in a microscale experiment. Working groups collaborate, titrate, then use their data to determine the concentration of...
Curated OER
Brine Shrimp Survival
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...
Curated OER
Sea Level and the Terrapin
Students study the habitat of the terrapin. In this terrapin lesson plan, 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...
Curated OER
Activity 2: Salinity & Tides
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...
Curated OER
Water Water Everywhere and Not a Drop to Drink!
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.
Curated OER
The Excretory System
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...
Curated OER
A Funny Taste
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.
Curated OER
Making and Using a Hydrometer
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,...
Curated OER
Temperature Effects on Solubility
Students determine the solubility of salt in water at three different temperatures and graph the results. They use the following skills: observing, inferring, and graphing.
Curated OER
Sedimentary Rocks
In this sedimentary rocks worksheet, learners 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 rock...
Curated OER
Make An Egg Float!
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.
Curated OER
Sea Ice
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...
Curated OER
Biocomplexity Lab Activity: Density and Buoyancy of
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...
Curated OER
A Tool for the Environment
In this desalting salt water activity, 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...
Curated OER
Sea Activities
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.
Curated OER
Salt Water Wedge
Students 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...
Curated OER
Smoothing Out the Rough Spots
Fifth graders experiment to observe the changes created on a surface by mechanical action of water with varying amounts of mineral content and abrasive qualities. They write the predictions of their outcomes and describe all of their...
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