Curated OER
Freezing Point Depression
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).
Curated OER
Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties
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...
Virginia Department of Education
The Colligative Properties of Solutions
How can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of...
Curated OER
Chapter 13 Review, Mixed Review: Ions in Aqueous Solutions and Colligative Properties
Here is an attractive worksheet that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality, net...
Curated OER
What Is the Freezing Point?
Students remove heat energy and determine how it causes a phase change.
Howard Hughes Medical Institute
Icefish Blood Adaptations: Antifreeze Proteins
Ever wonder how fish survive in freezing cold water—especially Antarctic waters? Some fish have an adaptation that lowers the freezing point of their life fluids. Learners model these adaptations in two lab explorations. The first...
Illustrative Mathematics
Comparing Freezing Points
Subtracting negative numbers can be confusing to your middle schoolers. Here, they are able to draw a number line and put their answer in sentence form to check their understanding of negative numbers.
Curated OER
Practice Sheet: Colligative Properties
In this colligative properties worksheet, students solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.
Curated OER
Worksheet 15-4 Colligative Properties
In this colligative properties worksheet, learners complete 8 sentences by filling in the appropriate word or phrase from the word bank, solve 3 problems, and respond to 5 short answer questions regarding osmosis, antifreeze, and vapor...
Polar Trec
Frozen Fish? Unique Adaptations of Antarctic Fish
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...
Curated OER
Breaking News English: Fleas Have Organ-Saving Antifreeze
In this English worksheet, learners read "Fleas Have Organ-Saving Antifreeze," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Curated OER
Adaptations of Fishes for Survival in Polar Environments
High schoolers compare the anatomy of temperature and polar fishes. They explore the adverse effects of cold on metabolism and physiology and discuss how polar fishes adapt to their environments. Comparisons are also made to the DNA...
Curated OER
Concrete Lesson Plan
Students describe the difference between cement and concrete. In this technology lesson, students explain the mixing process of concrete. They discuss its importance in the modern world.