Categorized In: Relationships & Dating , Chemistry , Science
Source: Kidzworld :: How Invisible Ink Works | Science Experiments | Chemistry | Secret Messages | www.kidzworld.com
Description: Mix about 1/4 cup (60 ml) of baking soda and 1/4 cup (60 ml) of water. Next, write using a Q-tip, toothpick or brush on a piece of paper. Let it dry completely. To read the secret message, paint grape juice concentrate across the paper with a paint brush
Nov 05, 03:13am
There are at least two methods to use baking soda as an invisible ink. Mix equal parts water and baking soda. Have fun!
Use lemon or onion juice to write with and let it dry. To reveal the writing, heat the paper with a iron, or other heat source.
