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Follow the scientific method with this great hands-on investigation. Learn about the freezing point of water and the effects of salt on ice. Teachers will find the packet easy to follow, useful, and age appropriate. Students will have lots of fun and be engaged. Makes a perfect class science fair project.
In this investigation, students will use the scientific method to investigate how salt affects ice. The students will test if the amount of salt will affect the ability of a piece of string to pick up an ice cube. They will write a hypothesis, follow procedures, record observations and data, create a graph, and write a summary. The students will learn how to rank their observations to create a graph. By the end of this investigation, the students should understand that salt lowers the freezing point of ice.
The materials needed are:
cup or mason jar
Included in the 12-page digital download:
6 Page Investigation Journal
This investigation is part of a series. This investigation is for 2nd and 3rd graders. It focuses on 1 trial. The kindergarten/1st-grade version tests with and without salt. The 4th/5th/6th-grade version expands into providing 3 trials and calculating the mode.
This investigation is great for a classroom, homeschool lesson, or a science fair project. Teachers will love its’ ease of use and students will enjoy watching the string hold the ice cube.
Save over 30% with The Complete Science Fair Project Guide Bundle. This contains all 3 grade levels of dangling ice, over 30 science demonstrations, and science fair workbooks, and more. Guide students to create original projects.
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Dangling Ice for 2nd/3rd Grade by Kimbelry Scott is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.