Invisible ink-Lemon juice

 I looked another way of making text appear which was by writing the text out with lemon juice. I do not think this is a good way of making the text appear because the text comes out in a dirty yellow colour, which doesn’t look very futuristic, or romantic which is what we want to portray in our title sequence. So although this way of producing invisible ink does work, the style of it does not suite the mood of the title sequence therefore I do not think we should use it.

Squeeze lemons to obtain their juice or obtain bottled lemon juice.

Use the juice as 'ink' by applying it to a stick or paintbrush and writing on paper.

Allow the paper to dry.

When you are ready to read your invisible message, hold the paper up to sunlight, a lightbulb (recommended), or other heat source.

The heat will cause the writing to darken to a pale brown, so your message can now be read.

Another way to read the message is to put salt on the drying 'ink'. After a minute, wipe the salt off and color over the paper with a wax crayon to reveal the message.