WRITE A SECRET MESSAGE
MAKING INVISIBEL INK IS A LOT OF FUN . YOU CAN GIVE IT TO YOUR SECRET AGENTS WORKING WITH YOU.WE WILL NEED SOME OF THE COMMON HOUSEHOLD ITEMS FROM, KITCHEN HOPE YOU ARE NOT BEATEN UP BY YOUR MOM FOR GETTING KITCHEN ITEMS.
To write secret message we will need to make an invisible ink.And to obtain such a liquid we have many ways some of them are given below.
To write a secret message we can use -:
urine
soapy water
onion juice
apple juice
orange juice
club soda
bubble bath
egg whites
Baking soda
and many more...
But there is also a way of creating invisible ink instead of collecting urine that is lemon.Yes ,we can also write a secret message with lemon juice.
THINGS YOU WILL NEED-:
#1-LEMON JUICE
#2-PAPER (TO WRITE SECRET MESSAGE ON IT)
THAT'S IT
procedure of making it-:
Make some lemon juice.Then take a cotton bud and dip into it.Now take your paper and write anything you like to give it to other person such as passcodes or something else.
After writing your secret message let it dry for 10 minutes after drying you will see there's nothing left to read.
How to reveal that secret messages-:
When there is nothing to see heat it carefully in oven or stove and you will see it turns brown and the message is visible.You can write many of messages and have fun with it or either use it in secret tasks.such as spy or cop.
BUT WHAT'S THE SCIENCE BEHIND IT-:
we shall know that lemon juice is an organic substance that oxidizes and turns brown when heated up. Diluting the lemon juice in water makes it very hard to notice when you apply it the paper, no one will be aware of its presence until it is heated and the secret message is revealed. Invisible ink can also be made using chemical reactions or by viewing certain liquids under ultraviolet (UV) light.
YOU CAN ALSO DO THIS WITH OTHER SOLUTIONS AND HAVE FUN ON HOW THE LIQUIDS BEHAVE IN HEATING.
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