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115 reviewed resources for lowering salt

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Biography of Mary Cassatt for Kids: Famous Artists for Children - FreeSchool Video
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Defining Gravity
Other Resource Types (115)
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Lesson Planet

How Does Salt Melt Ice?

For Students 9th - Higher Ed Standards
Much like the ice on roadways, common sodium chloride has been melting away snow days for many a year! Explore the colligative property freezing point depression through an interesting video from the American Chemical Society Reactions...
Lesson Planet

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...
Lesson Planet

Changing the Freezing Point of Water with Salt

For Teachers 1st
First graders explore freezing points. In this science lesson plan, 1st graders determine the temperature at which water freezes, understand why salt water freezes at a lower temperature than plain water, and understand why the string...
Lesson Planet

Ice Energy

For Teachers 5th - 9th
Students observe the chemical reaction that occurs when salt is put on ice, and use the energy that is released to make ice cream.
Lesson Planet

Locating the Salt Front - Section 1

For Students 7th
In this salt front of the Hudson River worksheet, 7th graders first read an excerpt about the lower portion of the Hudson River that is an estuary. Then they use a colored pencil to plot salinity data from the table shown on a graph,...
Lesson Planet

Amazing Salt

For Teachers 1st - 6th
Students examine the effects of salt on ice. In this salt lesson plan, students observe what happens to the temperature of ice when salt is added, then make ice cream to see how this knowledge can be used.
Lesson Planet

Tracking the Salt Front

For Teachers 8th - 11th
Students manipulate Hudson River salt front data from October 2004 - September 2005 to locate the high and low points of the salt front for each month, They determine the range for each month, determine the modal range for each month,...
Lesson Planet

Changing the Freezing Point of Water with SalT

For Teachers 4th - 6th
Young scholars examine how salt water freezes at a lower temperature than plain water
Lesson Planet

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...
Lesson Planet

How Low Can You Go?

For Teachers 9th - 12th Standards
The lower the better! Young scholars experiment with salt and water to determine how the combination affects temperature. By applying concepts of thermodynamics, they create their own modifications to attempt to achieve even lower...
Lesson Planet

Ice Energy

For Teachers 3rd - 6th
Students investigate how salt affects the state of ice. For this ice cream making lesson, students change the freezing temperature by adding salt and observing the results. Students use experimentation and comparison to see how chemicals...
Lesson Planet

Hudson River Salt Front Activity

For Students 6th - 8th
In this Hudson River learning exercise, students read a passage about the Hudson and salinity, they complete graph interpretation and questions and activities.
Lesson Planet

Freezing Point Depression

For Teachers 3rd - 4th
Students create ice cream in a zipped bag and measure the temperature of a salt/ice mixture. They discover how salt lowers the temperature necessary to freeze ice to a solid (below 0'C).
Lesson Planet

A Look at Tidal Wetlands

For Teachers 9th - 12th
Here is a comprehensive and lengthy presentation on tidal wetlands. Many photos of grasses and the animals that live among them are included, making this a virtual field trip. The progression of the presentation is as if you would walk...
Lesson Planet

Sea Water Freeze

For Teachers 6th - 8th
Students 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
Lesson Planet

Frozen Fish? Unique Adaptations of Antarctic Fish

For Teachers 9th - 12th Standards
Some fish contain proteins that act like antifreeze in order for them to live in the frigid waters of Antarctica! High schoolers determine how much antifreeze a fish needs to lower its body temp to -2.5 degrees. Teachers act as a...
Lesson Planet

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...
Lesson Planet

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.
Lesson Planet

Freezing Point Depression: Why Don’t Oceans Freeze?

For Teachers 9th - 12th Standards
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
Lesson Planet

Osmosis and Plant Cells

For Students 7th - 12th
Aside from obviously being a photocopy and a couple of minor formatting problems, this is a laudable lab activity for exploring osmosis. Biology groups cut potato chunks into equal volumes and record the mass of each. They place two...
Lesson Planet

That Sinking Feeling: Density Currents Lab

For Teachers 6th - 12th Standards
Seawater density varies depending upon your location, which means that ships float higher or lower in the ocean depending upon their location as well. In a hands-on activity, individuals explore the density of ocean water. In groups,...
Lesson Planet

What You Need To Know About Hish Blood Pressure, Salt, and Sodium

For Teachers 9th - 12th
Students explore how arterial pressure or blood pressure is the force of the blood against the wall of your arteries. They comprehend that a normal BP for adults is 120/80 mm Hg. Students comprehend that a normal BO for a teenager is...
Lesson Planet

Locating the Salt Front

For Teachers 4th - 5th
Students use Hudson River salinity data to create a line graph that shows the location of the salt front, and use math skills to explore how this location varies over time. They use the graph to estimate the location of the salt front...
Lesson Planet

Finding the Salt Front

For Teachers 4th - 5th
Students discuss definitions of estuary, salinity, and the salt front. They listen as the teacher explains the Hudson River Miles and ways the upriver and downriver sections relate to the north and south. Students graph the salt front...