Steve Spangler Science: Secret Message with Lemon Juice

Lemon juice is great in lemonade, can be a garnish for foods, and doubles as an ink for your secret messages.

Ah, a tall, cool glass of lemonade on a hot day just makes everything better. Lemon juice can spark up a salad, add zing to some grilled fish, and keep your avocados and bananas from turning brown. Strangely, however, it turns paper brown and reveals secret messages you’ve written using plain old lemon juice. You can be a gourmet cook and a spy at the same time.

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Science Topics
Chemistry, Food Science
K-6
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade

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