To make your invisible ink, add a few teaspoons of baking soda to about 1/3 cup of warm water and dissolve it as well as you can. If your cranberry juice seems thick and syrupy, add a little water (maybe half a cup.) It has to have enough water in it so that it will soak into the paper! Let the juice cool and pour it into a casserole dish or cake pan that the paper you’re writing your messages on will fit into. Most cranberry juice from the grocery store is diluted with water, corn syrup and other juices and won’t work as well! If you listen, you’ll hear some of the them popping! Crush the cooked berries and push the liquid through a sieve or colander to collect the concentrated cranberry juice. Be sure to put a lid on the pan, since the small pockets of air that help cranberries float can make them explode as they cook. Have an adult or teenager boil the cranberries in about three cups of water for 15 or 20 minutes. We had the best luck using cake-pop sticks or cotton swabs cut in half (non-cotton end) as pens. a homemade pen: To write your message, you’ll also want to find a small paintbrush, Q-tip, or something else with an absorbent tip. We made Spy Juice on Kare11 Sunrise News a few years ago. Otherwise, you won’t be able to see your message! * I discovered that some paper will turn blue in cranberry juice, so test the type of paper you want to use by first dipping a small piece it in the cranberry juice (before you start writing messages!) It should turn pink, not blue. You’ll see how some pigments in fruit can change color when they’re exposed to an acid or a base. With cranberries and baking soda, you can create invisible messages that will be revealed to friendly eyes and self-destruct before your enemies have a chance to read them.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |