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Real Scientists
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Karin Block

Karin says, "Science Rocks!" She ought to know. Karin is an igneous petrologist-a volcano scientist-who studies the history of rocks beneath New York. Her work takes her across the Hudson River, where she investigates the rocks that form the Palisades Sill in New Jersey.

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whiz quiz
What was New York City's Central Park like before the park was built?

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