Photo Gallery: L.A. County Science Fair at NASA’s Jet Propulsion Laboratory

Mountain Ave. Elementary student Joshua Pitney, 13, discusses the theory of time travel as seen in the movie "Back to the Future" during the L.A. County Science Fair at NASA's Jet Propulsion Laboratory on Tuesday, April 14, 2015.

Mountain Ave. Elementary student Joshua Pitney, 13, discusses the theory of time travel as seen in the movie “Back to the Future” during the L.A. County Science Fair at NASA’s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

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Eight local students participated in a science project showcase hosted by the Jet Propulsion Laboratory in La Cañada Flintridge on Tuesday. The group was among 57 students from more than 30 schools across Los Angeles County to showcase their projects.

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

Clark Magnet School student Bhavin Shah talks to USC professor and parent Jennifer Swift about cloud computing security during the L.A. County Science Fair at NASA’s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

John Muir Middle school student Sarah Garelick, 13, talks about her science project with JPL software engineer Vincent Hung during the L.A. County Science Fair at NASA‘s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

Mountain Ave. Elementary student Anna Allahvedian, 10 talks about her science project comparing and contrasting jewels and gems during the L.A. County Science Fair at NASA‘s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

Mountain Ave. Elementary student Pru Yontrarak shows of her project “Mysterious Glowing Water” containing quinine reacting to UV light during the L.A. County Science Fair at NASA‘s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

Students, parents and JPL staff attend the L.A. County Science Fair at NASA’s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)

Photo Gallery: L.A. County Science Fair at NASA's Jet Propulsion Laboratory

Students, parents and JPL staff attend the L.A. County Science Fair at NASA’s Jet Propulsion Laboratory on Tuesday, April 14, 2015.   (Roger Wilson/Staff Photographer)