Freezing Point Depression

Fahrenheit? Celsius? What's the difference, and where did these two temperature scales originate? Your pupils will learn all about these topics by reading the passage included here. After reading, individuals respond to five questions...

We all scream for ice cream! Individuals create home-made ice cream in the classroom. This is a delicious way to show a real-world application of the freezing point depression to your class.

Third graders listen to a talk on phase transitions and view three demonstrations. In this phases of matter activity, 3rd graders complete a worksheet as they listen about phase transitions. They move through three demonstrations of...

Steve Spangler has created a toy that relies on science to make ice cream! He uses a ball with two cylinders inserted. One contains rock salt and water, while the other contains the ice cream ingredients. Once sealed, a family kicks the...

Students discuss the three states of matter and how they are affected by temperature. They make ice cream in a bag while observing how temperature change affects the mixture. They discuss why some specimens froze more quickly than others...

Students see how the properties of salt affect the color of flame, the flow of electricity, and the freezing temperature of water. They identify salt and sugar crystals under a microscope and discuss various practical uses of salt.

You know that water can exist in three separate phases: solid (ice), liquid (water), and vapor (steam). To change from one phase to another, you simply add (or remove) heat. When water boils, what happens to molecules (for example sugar...

Students discuss certain properties of salt and how it is used every day as well as harmful uses. They experiment with salt to see it conduct electricity, form crystals and water freezing temperature. They complete a worksheet to record...

Third graders solve Celsius and Fahrenheit conversion problems, watch weather forecast and convert temperatures to Celsius, and design and present their own weather forecasts for different regions based on information gathered from...

Fourth graders participate in a teacher-led discussion about temperature--hot and cold. Each group of students is assigned specific materials for their lab experiment. They record temperatures measured in their journals and then plot...