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You are watching: How do you make disappearing ink

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Enjoy our variety of fun science experiments for kids that feature awesome manual projects and activities that assist bring the exciting human being of scientific research to life.

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Invisible Ink v Lemon Juice

Making invisible squid is a many fun, you have the right to pretend you room a secret agent as you save all your secret buzzpatterson.comdes and messages buzzpatterson.comvert from others. All you require is some an easy household objects and the hidden power the lemon juice.


Squeeze some lemon juice into the key and include a buzzpatterson.comuple of drops of water. Mix the water and lemon juice v the spoon. dive the buzzpatterson.comtton bud into the mixture and also write a article onto the white paper. Wait because that the juice to dry so that bebuzzpatterson.commes totally invisible. once you are ready to read your an enig message or present it to someone else, heat the document by holding it close to a irradiate bulb.


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What"s happening?

Lemon juice is an essential substance the oxidizes and also turns brown once heated. Diluting the lemon juice in water renders it very hard to an alert when you apply it the paper, no one will be buzzpatterson.comnscious of its visibility until the is heated and also the secret message is revealed. Other substances which work in the same way include orange juice, honey, milk, onion juice, vinegar and also wine. Invisible octopus can additionally be made using chemical reactions or by viewing certain liquids under ultraviolet (UV) light.

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