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4th Grade Science
These are amazingly fun water properties science experiments. Perfect for the summer!
The History of Mood Rings Moods rings were invented in 1975 by two New York Inventors Josh Reynolds and Maris Ambats. However, Marvin Wernick, claimed he developed the rings a decade earlier. The book ‘Why Didn’t I Think of That’ is said to contain a chapter explaining Wernick’s work with mood rings, which he did no