Featured Resource
Author
Brooke
Subject
Chemistry
Difficulty
7th Grade
create an informational text with 10 multiple choice questions based on the following: Step by step how to make Instant Hot Ice with Sodium Acetate! YOU NEED... 170g of Sodium Acetate Trihydrate. Water (tap is fine). Small sauce pot. 50ml or larger Graduated Cylinder. Medicine Dropper. Glass or 150ml Beaker (well cleaned). Scale (that can measure in grams). Refrigerator space. PREPARING THE "HOT ICE"... 1) Measure out 30 mL of water (approximately 1 fluid ounce) and pour into a small stove-to...
This resource delves into the fascinating science behind 'Instant Hot Ice' or sodium acetate trihydrate. It explains the process of creating a supersaturated solution by heating sodium acetate and mixing it with distilled water. As the solution cools, it remains in a liquid state until a catalyst, or a seed crystal, is introduced, triggering rapid crystallization. This exothermic reaction releases heat, creating a 'hot ice' effect that is both visually and thermally striking. The document outlines materials needed, procedures for carrying out the experiment, and discusses key vocabulary essential to understanding the underlying chemistry. Additionally, it promotes group collaboration through assigned roles, encouraging safety awareness during the experiment. A comprehensive reflection section prompts students to analyze molecular behavior during crystallization and the heat release process. Overall, this resource serves as an engaging way to learn about thermal dynamics and crystallization in chemistry.