“Well, now I know more, so I have more questions, which makes it more fun.”

—Haylie, 5th grader at Waugh Chapel Elementary School, MD


“Mr. Repplier did a great job of introducing concepts and relating them to the real world. He answered all of the questions asked, no matter how many or complicated... The kids were positively enraptured by his experiments.”

—Ms. Hope Harrod, Burroughs Elementary, DC

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