Museums "have an enormous role to play" in teaching children because they can offer experiences that are tough for schools to present, says George Hein, a professor emeritus at Lesley University in Cambridge, Mass., and author of the book "Learning in the Museum." "You can actually do science. You can take prisms and mirrors and see what happens when you move light around," he said. Like music or sports, science has to be experienced firsthand to truly be understood, Hein said.

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