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Flash Science: Secret Message With Windex
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Goldenrod paper turns red when ammonia or other base is added.
Parts Needed
1 Goldenrod paper (Must be made with real goldenrod pigment! Certain brands work for this, others don’t.)
1 Wax candle
1 Bottle Windex (“Classic”) or other glass cleaner with ammonia
Parts Needed
1 Goldenrod paper (Must be made with real goldenrod pigment! Certain brands work for this, others don’t.)
1 Wax candle
1 Bottle Windex (“Classic”) or other glass cleaner with ammonia
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