This FREE science demo is perfect to use on Valentine's Day because let's face it, who doesn't love a secret message?!
This Secret Message demo shows indicators react in the presence of acids or bases. In this case, phenolphthalein is used to reveal “secret messages” that have been written using a basic solution. Demo set-up is easy and quick with long-lasting results!
Students do NOT need to have knowledge of indicators to be "wowed" by this demonstration.
Cliff Note Version: Product is for ONE TEACHER – Please do not distribute illegally and if using with your students in an online capacity, make sure documents are password protected.
Copyright © Nitty Gritty Science, LLC. All rights reserved by author Dr. Erica Colón. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.