Secret Message Use this special color-changing paper to make a hidden message.
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The term goldenrod is typically used to describe a color of paper - golden yellow. Certain brands of goldenrod paper contain a speical dye that turns bright red in solutions that are basic like ammonia water or washing soda. The paper turns back yellow with an acid like vinegar or lemon juice. Learn how to use this special color-changing paper to develop a hidden message.
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