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February 05, 2018 2 min read
With Valentine’s Day just around the corner, I thought it was a perfect time to share with you a kitchen science activity you can use to send secret messages to your loved one!
This is one of our kids' favorite things to do - there’s nothing like getting a blank piece of paper and making a secret message appear!
To make your secret message you will need the following:
Here is how you make your secret message
After the paper has been heated up, the message on the paper will turn brown, making it possible to read.
The acid in the lemon juice breaks down the paper a bit, thus weakening it. The weakened paper burns before the rest of the paper, which is why you must remove it from the heat source just after the message appears or the entire paper will burn.
You can try the experiment again using water, which is neutral. It should not degrade the paper the way the lemon juice does, so the message won’t appear. You can also try writing messages with vinegar, orange juice or white wine, which will degrade the paper the same way the lemon juice did.
September 21, 2024 2 min read
Want to preserve the beauty of fall for science? Click "Read More" to learn how to make a fall leaf book and download the free templates!
August 10, 2024 2 min read
Summer is almost over and now is the perfect time to make a rock collection to show off your latest summer finds! Join Summer Beach as she shares how to do this in 5 simple steps.
July 27, 2024 3 min read
The Summer of Science continues with a fantastic zoology science project - how to grow a butterfly!
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