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Lesson Plan
Curated OER

Freezing Point Depression

For Teachers 3rd - 4th
Learners 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).
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Worksheet
Curated OER

It's Freezing!

For Students 5th
Here is a good worksheet for 5th grade scientists. In it, they look at a bar graph that shows the freezing point for a variety of liquids. Then, they are given a scenario of a certain liquid melting and freezing, and must determine which...
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Lesson Plan
LABScI

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...
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Lesson Plan
Curated OER

Melting and Freezing Behavior

For Teachers 9th - 12th
Students investigate melting and freezing behavior in substances. In this melting and freezing points lesson plan, students perform experiments to test the impact of various salts on the freezing point of water, they test the impact of...
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Lesson Plan
University of Georgia

Freezing and Melting of Water

For Students 9th - 12th
Examine the behavior of energy as water freezes and melts. An engaging activity provides a hands-on experience to learners. Collaborative groups collect data and analyze the graphs of the temperature of water as it freezes and then...
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Lab Resource
Colorado State University

Can Boiling Make Something Freeze?

For Teachers 6th - 12th Standards
Use boiling as an avenue for freezing. Young scholars watch as liquid nitrogen removes heat from the ingredients for ice cream. As this happens, the nitrogen boils and the ice cream freezes—all in the same container. A little science magic!
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Lesson Plan
Curated OER

Boiling and Freezing Points of Water

For Teachers 6th
Challenge your sixth graders with this lesson about the freezing and boiling points of water. In these activities learners graph temperature data, read and analyze information, and identify the freezing and boiling points of water and...
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Lab Resource
Colorado State University

How Can Freezing Make Something Warmer?

For Teachers 6th - 12th Standards
Crazy fact—freezing liquid actually gives off heat! Young scholars investigate the transfer of energy when liquids freeze using a chemical heat pack. The heat pack gives off heat as its liquid core freezes.
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Lesson Plan
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American Chemical Society

Changing State: Freezing

For Students 6th - 8th Standards
There are five types of frost: ground frost, air frost, hoar frost, glaze, and rime. Scholars mix ice and salt in a metal container to observe frost forming on the outside of the can. Animations and videos enhance the learning. 
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Lesson Plan
Hazardous Waste Management Program

Molar Mass Determination from Freezing Point Depression

For Students 9th - 12th
Let the data tell the story. A lab activity has pupils collect temperature data on solutes as they melt and freeze. They use their data to create a cooling curve and then calculate the molar mass using the freezing point depression.
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Activity0:51
PhysEdGames

Freeze and Melt

For Students K - 3rd
Freeze tag! Have the class spread out around the playing area. Select some players to be freezers and un-freezers. Give freezers a blue ball and un-freezers a red ball. If a runner gets tagged with a blue ball, then they become a frozen...
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Lesson Plan
Curated OER

Phase Changes of Water

For Teachers 6th - 12th
A micro-unit on the phase changes of water includes three laboratory activities. Junior scientists compare the densities of ice and water, and then they do the same for cold and warm water. They examine freezing and boiling temperatures....
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Lesson Plan
Curated OER

Properties of Aqueous Solutions

For Teachers 9th - Higher Ed
Advanced chemistry kids experiment with the freezing and boiling points of various aqueous solutions. They also prepare a presentation of the kinetics of solution formation and structure of the matter involved. This resource provides...
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Worksheet
Curated OER

Colligative Properties - Freezing Point Depression

For Students 10th - Higher Ed
In this freezing point learning exercise, students determine the freezing point of solutions at different concentrations. This learning exercise has 9 problems to solve.
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Lesson Plan
Curated OER

Melting, Freezing, and More!: Phase Transitions

For Teachers 3rd
Third graders listen to a talk on phase transitions and view three demonstrations. In this phases of matter lesson, 3rd graders complete a worksheet as they listen about phase transitions. They move through three demonstrations of phase...
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Lesson Plan
Curated OER

Gasoline Additive

For Teachers 9th - 12th
Chemists consider a situation in which an ethanol producer needs to determine how much to add to t-butanol to prevent freezing during transport. They work in the laboratory to obtain the freezing point depression constant for the...
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Worksheet
Curated OER

WS 8.8 Molality and Colligative Properties

For Students 10th - 12th
In this molality and colligative properties worksheet, students determine the molality of solutions and they calculate freezing point depressions and boiling point elevations of solutions.
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Worksheet
Curated OER

Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties

For Students 9th - 12th
Here is a general chemistry worksheet that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in class by...
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Lesson Plan
Curated OER

Properties of Fresh and Sea Water

For Teachers 6th - 8th
Students work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.
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Lesson Plan
Curated OER

Ice Cream: a Taste of Science!!

For Teachers 9th - 12th
Students define the term solution. They explain conservation of energy and energy transfer as it relate to how the milk solution became ice cream. Students are able to explain freezing point depression.
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PPT
Curated OER

Solutions

For Teachers 9th - 12th
Amateur chemists define and describe properties of solutions, compare solubilities, explain how solutes affect freezing and boiling points, describe acid and base properties, and more! This educational PowerPoint provides information and...
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Activity
Gfletchy

Deep Freeze

For Students 7th Standards
Warm up to the idea of subtracting integers. After watching a video where the contents of a cup instantly freeze when tossed into the air, pupils estimate the air temperature of Duluth, Minnesota (where the video was made). They then use...
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Lesson Plan
Curated OER

Freezing Cracks

For Teachers 4th
Fourth graders examine how weather events cause weathering of the Earth's surface and how freezing water creates cracks and broken rocks over time. They observe what happens when a jar full of water is frozen overnight, and record their...
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Lesson Plan
Curated OER

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

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