Percent Increase and Decrease Quiz
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Perkins Purple Purple | Interactive Quiz
Perkin's Perfect Purple: The Color Lab QuizFor kids: Purple used to be so rare that people crushed thousands of sea snails just to make a little until a teenager invented it by accident in his bedroom lab! Now you're the scientist. Answer the questions, fill your flask with purple, and see if you can fill it all the way up.For parents & homeschoolers: A free, no-prep interactive quiz that turns the book into a STEAM adventure. Eleven questions mix real chemistry, the Phoenicians' snail-dye histo
1st - 5th
Chemistry, Close Reading, Literature
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