Exploratorium
Salty Pits
Yuck, does my deodorant kill that? To test whether deodorant is anti-bacterial, class members use petri dishes to grow control bacteria and bacteria from sweat, and then compare them to see if deodorant effects the growth.
Polar Trec
Sea Ice Impact
The arctic seas contain currents that are both warm (with high salinity) and cold (relatively fresh water) that circulate throughout the year. Through discussion, a lab, and a web quest, participants explore the impacts of melting and...
Curated OER
Where's My Mummy: Preservation Techniques
To observe preservation techniques firsthand, learners dry a flower in sand and compare cucumber slices soaked in salt water for a week with slices left out to dry in the open air. Video resources (not attached) include one about mummies...
Curated OER
How To Grow Red Seaweed
Learners explore ocean biology by participating in a plant growing activity. In this seaweed lesson, students identify the importance and uses of seaweed in the ocean and examine different seaweed samples. Learners utilize an aquarium,...
Curated OER
Making a Region Map of a State
Fourth graders create salt maps of a state and indicate its regions. They include topographical elements including mountains, valleys, lowlands and major water bodies and a compass rose.
Curated OER
Why Is The Sea Salty?
Students observe how salt concentration increases in water and how salt remains after water evaporates. In this salty sea lesson plan, student use rock salt, water, containers, and strainers to observe that salt increases each time new...
Curated OER
Osmosis
Fifth graders explore osmosis as they watch organisms divide. In this organism lesson plan, 5th graders use potatoes to experiment with the effects of salty water in the body. Students discuss what osmosis is and record what happens in...
Curated OER
Weathering and Erosion
Students investigate how changes occur on the surface of the earth through erosion and glaciation. They observe what happens to salt and iron after they interact with water and vinegar, and analyze what occurs when water is sprinkled on...
Curated OER
Understanding Kidney Disease
Students experiment to determine information about kidney function. In this kidney function lesson, students use the scientific method to experiment with eggs, water, salt, sugar, and vegetable oil to simulate kidney function. They...
Curated OER
Salinity Lab
In this salinity activity, students simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.
Curated OER
Salinity
Students take a provided ocean Trivia Quiz in order to start a discussion of the ocean. They then perform an experiment on how the amount of salt in the ocean affects it and varies from ocean to ocean.
Curated OER
Ice Energy
Students study the concept of ice energy. In this ice energy lesson, students observe what happens when salt is sprinkled on a piece of ice before following a recipe to make two types of ice cream. They note the difference in the two...
Curated OER
Phase Change
Students compare the freezing temperature of two substances by conducting an experiment to freeze liquid ice cream. They vary the amount of salt used in the ice cubes during the freezing procedure to determine the change in the...
Curated OER
Osmosis
Learners investigate osmosis and diffusion in a liquid environment. For this osmosis lesson plan, students use dialysis tubing made into bags and filled with 3 different solutions. They observe the movement of water molecules into higher...
Curated OER
Rock Candy
Fourth graders observe and demonstrate the physical change of dissolving sugar in water and evaporating the water to examine the physical change that has occurred. They discuss physical changes and solutions, and make rock candy,...
Curated OER
EASY (AND CHEAP) CRYSTAL GROWING
Students grow salt crystals by making a saturated solution of table salt and let the solution sit around and evaporate.
Curated OER
Cereals
Students watch television commercials, then analyze the nutritional value of the cereals. In this health and nutrition lesson, the teacher shows students several cereal commercials, then the students describe the cereals. Students read...
Curated OER
Lake Effect
Fourth graders explore some of the effects Great Salt Lake has on Utah's local weather/temperature moderation, lake effect storms, and temperature inversions. They observe the differences of specific heat between soil and water and...
Curated OER
The Effects of Osmotic Balance and Imbalance In Living Cells
Students investigate osmotic balance in living cells. In this osmotic balance lesson plan, students use elodea leaves to study the effects of salt solutions on the cell. They compare the changes in an elodea leaf with salt water on it to...
Curated OER
A Fish Tale
Students investigate the lives of fish. In this biology lesson plan, students demonstrate how fish cells respond to fresh and salty water, determine the age of a fish and if temperature effects the movement of a fish's operculum (gill...
Curated OER
Physical vs. Chemical Changes
In this chemical and physical change worksheet, students are given details about chemical and physical changes. They are given 2 examples using water and salt and they identify 15 statements as chemical or physical changes. Students...
Curated OER
A Fish Tale
Students conduct an experiment. In this fish lesson plan, students discover how fish cells respond to fresh and salty water and if temperature effect the movement of a fish's gills. Students also identify the characteristics of a fish.
Curated OER
Parts of an Ecosystem
Fourth graders study the Great Salt lake and the ecosystem that encompasses it. They study the relationship between an individual of a species, a population of that species, a community that includes that population, and the...
Curated OER
Molarity Labs I & II $ III
In this molarity lab worksheet, students write down the process they took to determine the molarity of a given sample of a solution of salt. They also make two particular molar solutions in the lab and show their calculations. They answer