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Newspaper Collage
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In this activity on page 3 of the PDF, learners create a collage by using vinegar to transfer color pictures from a newspaper onto a piece of white paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-647.png?itok=1bbf9lZ8)
Separating with Chromatography
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In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").
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Secret Message
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In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-221.png?itok=VVjN9waf)
Operation Espionage
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In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.
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Magic Inks
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Learners write their initials by applying different clear "magic ink" solutions to separate pieces of paper and then "develop" the inks with other clear solutions.