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Tinker Tank Makerspace is moving! Due to the move, it will be closed March 22-23. Tinker Tank will reopen Friday, March 24, in its new location in Upper Building 3.

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Cryptic Chromatography

  • English
  • Grades 3-5
  • Grades 6-8
  • Chemistry
  • Activities
A gradient of purple and teal

Learn about forensic science and the chemistry behind colors.

cah-cryptic-chromatographyDownload
Share Your Experience

Curiosity grows when it’s shared! Try these activities with your family, friends, or class and share your experience on Facebook, Instagram, and Twitter—be sure to tag us with #pacsci and #curiosityathome. We can’t wait to see where your curiosity takes you!

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Disclaimer: These resources are for educational and informational purposes only. Always do activities in the appropriate environment, with adult supervision, and following the necessary safety guidelines for the materials involved. Pacific Science Center is not liable for any direct, indirect, special, incidental, or consequential damages resulting from the information provided on our website.

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Purple Produce pH indicator

Use red cabbage to make a Purple Produce pH Indicator solution that can tell if a liquid is an acid or a base.
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Create chemical reactions while polishing pennies.
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Natural Tie-Dye

Discover the chemistry behind colorful clothing using produce from home.
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Color My World

Make a light box to view different objects in different colors.
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200 2nd Ave N
Seattle, WA 98109

Land Acknowledgment

Pacific Science Center acknowledges that we live, work, and play on the traditional territories of the Duwamish and Coast Salish Peoples and that we occupy this land. This acknowledgment does not take the place of authentic relationships with Indigenous communities but serves as a first step in honoring the land we occupy.

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Pacific Science Center stands with those who are courageously fighting against hate, racism, and injustice. We recognize that not being racist is not sufficient. We must be actively anti-racist, and we commit to doing so. We prioritize inclusion, diversity, equity, and access in everything we do. Curiosity and critical thinking are essential to the dialogue and changes that need to happen.

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