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?
Experiments
What’s a MEL Science subscription?
100+ hands-on science projects
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Loved by parents
"We love MEL Science. I’ve homeschooled for 10 years and these are just what we needed. Easy, fun, and the kids love to do them."
"We love how easy it is to follow the experiments step-by-step using my cellphone. MEL Science experiments assure that our son has experience using lab equipment and chemicals. I highly recommend MEL Science kits!"
"My kids love the unique projects and the variety of choices. We’ve tried STEM, Physics, and Chemistry, and each one has been a hit."
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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.
