Photo Gallery: Crescenta Valley High School team scores high in the JPL Annual Invention Challenge

Members of the Crescenta Valley High School team including Krikor Atachian, center, successfully launch the ball through a target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Members of the Crescenta Valley High School team Jacob Ralston, left, and Krikor Atachian, right, prepare their machine to launch a ball at a target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Official judge and JPL structural engineer Chris Landry keeps a close eye on the ball as it misses its intended target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Crescenta Valley High School principal Linda Junge, left, records her team for posterity as they prepare to launch the ball at a target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Members of the Lawndale High School team prepare to launch the ball at a target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

The Los Angeles High School Bomb Squad team created a launching contraption made to resemble a gatling gun for the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Official judge and JPL structural engineer Chris Landry keeps a close eye on the ball as it misses its intended target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Members of the Culver City High School launch the ball at a target during the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.

Crescenta Valley High School principal Linda Junge enjoyed her school’s team performance at the Jet Propulsion Laboratory Invention Challenge 2015 at JPL in La Cañada Flintridge on Friday, December 4, 2015. The team came in 4th place from more than 20 teams.