Chemistry

Chemistry for spies

How can spies write and reveal secret messages? Explore the answers to these questions with the “Chemistry for spies” set by MEL Science! Obtain iron gall ink, use ammonia to reveal a message written with copper sulfate solution, and create paper that can both hide and reveal a secret message!

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This set and 70+ others are included in the MEL Science subscription. Subscribe to MEL Science to get a new science set every month.

You will:

  • make inks from iron(II) sulfate and tannin
  • reveal a copper sulfate message using ammonia
  • make magic paper with the help of potassium iodide solution

You will learn:

  • about tannin and its properties
  • which combinations of reagents can yield colored compounds
  • how to obtain and erase a colored compound

What's inside the "Chemistry for spies" set?

Everything you need to complete the project successfully.
Chemistry for spies

Experiments

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A great way to incorporate real science into homeschool — as close as having a science lab as you can get at home. Safe and clean to keep parents calm and so much fun learning for the kids!

Kasey Robbs, CA

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Other Chemistry sets

Get this set

This set and 70+ others are included in the MEL Science subscription. Subscribe to MEL Science to get a new science set every month.