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Make your own secret ink!

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Chemical reactions occur all around us, but they only occur under particular circumstances. What causes a chemical reaction? What must be present for a chemical reaction to occur? Let's find out together!

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Additional Resources for you to Explore
Learn more about why chemical reactions occur by watching "What Triggers a Chemical Reaction". Was the secret code an exothermic or endothermic reaction? How do you know?Did you know there are different kinds of chemical reactions? Watch this video and then think about if the secret code was a chemical or physical change!Besides being a really cool way to write secret messages, why else do we care about chemical reactions? Check out this video and think about how chemical reactions can help us with the future of our world.
Chemical reactions are present in a lot of what you do! Next time you cook something in your kitchen, mix paint, or help to clean your house think about what chemical reactions may be occurring right in front of you and why!

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About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators