Middle school students were challenged to come up with engineering concepts to provide protection against storm surges and to demonstrate their work during the 10th annual Engineering Expo at White Plains High School. (April 7, 2013)
Elanagh Smith, 11, left, of Katonah, and Kristina
Elanagh Smith, 11, left, of Katonah, and Kristina Brody, 13, of Verplanck, help Meaghan Furry, 10, of White Plains, with her exhibit -- called Squishy Circuits -- during the 10th annual Young Engineering Expo at White Plains High school. (April 7, 2013) (Credit: Lisa Weir)
Middle school students participate in the 10th annual
Middle school students participate in the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Isaac Silver-Frankel, 16, right, of Cross River, gives
Isaac Silver-Frankel, 16, right, of Cross River, gives instructions to Jean Rubi, 14, of Albany, with a cable networking experiment during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: lISA wEIR)

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Students try out an exhibit called Squishy Circuits
Students try out an exhibit called Squishy Circuits at the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Mark Davonport, 7, of Palisades, gets instruction from
Mark Davonport, 7, of Palisades, gets instruction from Jaclyn Higgins, 13, of Brewster, during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Ari Gebhardt,9, left, and Ian Maceachern, 10, both
Ari Gebhardt,9, left, and Ian Maceachern, 10, both of White Plains, participate in an experiment to see if they can design a model boat that will hold the most pennies during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Mitchell Jacobs, 12, of South Orangetown, explains to
Mitchell Jacobs, 12, of South Orangetown, explains to the judges his design to help protect against storm surges during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Alex Co, of the Challenges Learning Center in
Alex Co, of the Challenges Learning Center in Ramapo, explains to Mark Albrecht, 11, of New City, and his brother Jason Albrecht, 8, how to create a vortex during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)

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Michael Earle, 15, of Ossining, explains the penny
Michael Earle, 15, of Ossining, explains the penny experiment to those wanting to participate during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Mark Albrecht, 11, of New City, holds an
Mark Albrecht, 11, of New City, holds an example of a vortex he created during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
From left, Derek VonReddin, 11; Victoria VonReddin, 9;
From left, Derek VonReddin, 11; Victoria VonReddin, 9; and Lavon VonReddin, all of Somers, examine two robots during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Lauren Conroy, 14, left, of Merrick, and Caeley
Lauren Conroy, 14, left, of Merrick, and Caeley Looney, 16, of Farmingdale, build structures from Popsicle sticks during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)
Students work with a color wheel at the
Students work with a color wheel at the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)

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Evelyn Sabety, 10, of Pleasantville, builds a structure
Evelyn Sabety, 10, of Pleasantville, builds a structure from toothpicks and marshmallows to be tested on the earthquake table during the 10th annual Young Engineering Expo at White Plains High School. (April 7, 2013) (Credit: Lisa Weir)