![]() ![]() Hold the paper over the light bulb (don’t stare into the light!), moving it slowly so that all possible parts of the paper are exposed to the heat of the light bulb. ![]() For this step, you should ask an adult to help you, because 100-watt light bulbs are very hot. Procedures Think about what you want to say in your mysterious note! Next, dip the cotton swab or paintbrush (even a toothpick will work) into the lemon juice or vinegar. Materials An ounce or two of lemon juice or vinegar in a cup or bowl cotton swabs or paintbrush thin white paper a lamp with a 100-watt bulb Hypothesis Is it properly(rubbing alcohol) alcohol works best in making invisible ink because it can dry easily. Question? How can you make invisible ink with water, cooking oil, or vinegar, lemon juice, rubbing ALCOHOL ? Table of contents Title Table of contents Question Hypothesis Material Procedures Conclussion Question Bibliography Invisible ink Mrs.Fentress Pierre Bernardo ![]()
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