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Fun with Lemon Juice: Writing Secret Messages with Invisible Ink

Making invisible ink with lemon juice can be an enjoyable activity, allowing you to write hidden messages like a secret agent. By following simple steps, you can create invisible ink, write messages on paper, and reveal them using heat. Get creative and surprise your friends by sending secret notes and testing their detective skills in deciphering the hidden messages.

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Fun with Lemon Juice: Writing Secret Messages with Invisible Ink

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  1. Making invisible ink Writing messages using invisible ink

  2. Invisible ink with lemon juice Making invisible ink is a lot of fun You can pretend you are a secret agent Keep all your messages hidden from others • • •

  3. Step 1 – Make invisible ink • Squeeze some lemon juice into a bowl • Add a few drops of water • Mix the water and lemon with a spoon

  4. Step 2 – Using invisible ink Dip a cotton bud into the mixture • Write a message onto white paper • Wait for the juice to dry and turn invisible •

  5. Step 3 – Reading a message Heat the paper using a hairdryer or put it next to a warm lamp bulb The message will turn brown and be revealed • •

  6. Now try this… Use invisible ink to write a secret note to a friend Ask them a question and see if they can read it! • •

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