Curated OER
Boiling and Freezing Points of Water
Challenge your sixth graders with this instructional activity 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...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
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...
Curated OER
Melting and Freezing Behavior
Young scholars 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...
Curated OER
It's Freezing!
Here is a good activity 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...
Curated OER
Properties of Fresh and Sea Water
Middle schoolers work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.
University of Georgia
Freezing and Melting of Water
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...
Curated OER
Colligative Properties - Freezing Point Depression
In this freezing point activity, learners determine the freezing point of solutions at different concentrations. This activity has 9 problems to solve.
Curated OER
WS 8.8 Molality and Colligative Properties
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.
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...
American Chemical Society
Changing State: Freezing
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.
Curated OER
Phase Changes of Water
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....
Curated OER
Ice Cream Culture
Young scholars discuss the freezing point of water. They make their own ice cream using ice and salt mixtures.
Curated OER
Changing the Freezing Point of Water with Salt
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...
Colorado State University
Can Boiling Make Something Freeze?
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!
Curated OER
Properties of Fresh Water and Sea Water
Students conduct experiments using water. In this properties of fresh and sea water lesson, students investigate boiling point, freezing point, and the water's retention of heat. Students hypothesize, collect and record data, and draw...
Science Geek
Bulk Properties of Water
Learn the ins and outs of the properties of water through an engaging slide show. The lesson presents different facts about water including phase change, heat of fusion, heat of vaporization, and specific heat among others.
Curated OER
Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
Curated OER
Barometer and Boiling Points
Diagrams bring barometers to light in this PowerPoint. Several slides explain the structure and function of this apparatus. The relationship of air pressure to the processes of evaporation and boiling are also explained. This would be an...
Curated OER
Chillin' Out with Freezing Point Depression
Students examine the freezing point depression of salt water by making ice cream. Lab activity begins with students layering a bowl with ice and salt around an empty cup before adding a mystery solution to the cup. They take the...
American Chemical Society
From Gas to Liquid to Solid
From gas to liquid condensation to solid frost, water undergoes phase changes before students' eyes! Using ice, salt, water, and a metal can, they set up an investigation that can be used in a physical science setting, or as part of a...
Curated OER
Solutions
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...
Curated OER
WATER CHEMISTRY
Students list reasons why water is important and investigate and graph the freezing points of different solutions.
Colorado State University
How Can Freezing Make Something Warmer?
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.
Center for Learning in Action
Water—Changing States (Part 1)
Here is part one of a two-part lesson in which scholars investigate the changing states of water—liquid, solid, and gas. With grand conversation and up to three demonstrations, learners make predictions about what they think will happen...