We have to spill water onto the invisible things.
if its milk you heat it
Invisible ink isn't actually invisible. The writing done with invisible ink is invisible, and can be read only after applying certain treatments. For example, orange and lemon juices are invisible inks. Orange and lemon juices are perfectly visible, but when you write with them, the text becomes invisible. The text can be read only if the paper is kept under ultraviolet light, or if it is slightly heated.
Writing with milk on paper will be invisible (or nearly so) , Heating the paper will scorch the milk first and make it visible.
Yes. Equal parts of baking soda and water can be used as invisible ink which will become visible under heat, or when covered in grape juice.
neither
just use the milk. write on the paper then let ir dry. When the ink is dry you take a lamp and if you shine light on the paper the ink will become visible
to tell how you can make invisible ink
What are the dependent and the independent variables in the invisible ink experiment ie To identify the best invisible ink experiment.
what part of the water cycle have invisible ink involved
Word Opposite visible invisible
There are references to it all the way back to the 1200's. I know the US government just released top secret papers from WW1 and included in this was directions to spies how to make invisible ink and how to find documents with invisible ink. Considering this was written in 1911 it is a eye opener.
The way invisible ink works depends on the method used to make it.