Lemon juice invisible ink

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This version of invisible ink was so much easier and more rewarding than our lemon juice flop. Although I realize we ought to give the lemon juice another try now that everyone’s suggested we iron the paper or pop it in the oven (rather than burning holes through each letter in the attempt to get … Invisible Ink With Lemon Juice, Lemon Juice Invisible Ink, Invisible Ink For Kids, Spy Camp, Kindergarten Handwriting, Secret Notes, Science Camp, Waldorf Homeschool, Spy Party

This version of invisible ink was so much easier and more rewarding than our lemon juice flop. Although I realize we ought to give the lemon juice another try now that everyone's suggested we iron the paper or pop it in the oven (rather than burning holes through each letter in the attempt to get them to show up). We actually did this the next day, even though I'm just getting around to posting it now. First Maia and I used white crayon on white paper to make top secret notes and drawings…

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Katie Y
Create your own DIY invisible ink with lemon or lime juice. A fun detective or spy themed science experiment for kids. Diy Invisible Ink, Lemon Juice Water, Science Experiment For Kids, Honey Milk, Experiment For Kids, Preschool Science Activities, Onion Juice, Invisible Ink, Science Activity

Make invisible ink with lemon juice. Lemon juice is an organic substance that oxidizes (which means it reacts with oxygen) and turns brown when heated. Diluting the lemon juice in water just makes it harder to notice the invisible message on the paper. The invisible ink burns faster than the paper so it turns brown first! Other substances which work in the same way include orange juice, honey, milk, onion juice, vinegar and wine.

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Jessica Palmer
Invisible Letters, 3rd Grade Homeschool Curriculum, 3rd Grade Homeschool, Homeschool Science Experiments, Lemon Juice Uses, Disappearing Ink, Stem Books, Lemon Uses, Dog Man

The first time I learned how to make invisible ink with lemon juice (lime juice works too), I wasn't sure it would work. Good news...it actually does! This was such a fun thing to do as part of our 2nd and 3rd grade homeschool curriculum. The "ink" made from lemon juice dries clear on paper,

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Sarah Trigg

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