Write Secret Messages With Invisible Ink!

Have you ever wanted to write secret messages to your friends? There’s no better time than now, with this easy-to-follow recipe (w/easy-to-follow Science, too)!

Supplies:

• 1 (or 2) Lemons (or bottled lemon juice)

• · Bowl (or another container to put the lemon juice in)

• · Cotton Swabs (or toothpick, wooden skewer, or other item to use as a writing instrument/stylus)

• · 1 (or more) pieces of white Paper (how many messages would you like to write?)

• · Toaster Oven (or another heat source, such as a glass top stove, or lit candle)*

*Be sure to have an adult help you with your heat source!!*

• · Oven Mitt

• · Kitchen Knife

*Be sure to have your adult handle the knife and the cutting!!*