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Invisible Ink Science Experiment |
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Experiments! |
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Materials |
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1 Lemon
Fine tip paint brush
Plain white paper |
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Directions |
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Squeeze the juice from the lemon into a small bowl
Using the paint brush, write your secret message on the plain
white paper
Once it is completely dry, fold your secret message and put it
in an addressed envelope with the instructions "bake this
message at 325 degrees for 3-5 minutes to read your secret
message" |
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What's Going On? |
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The
heat of the oven burns the lemon juice making it reappear on the
paper. |
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