Source: AFP/Getty Images

Space X’s Falcon 9 rocket lifts off from space launch complex 39A at Kennedy Space Center, Florida on March 30, 2017, with an SES communications satellite. SpaceX blasted off a recycled rocket for the first time on, using a booster that had previously flown cargo to the astronauts living at the International Space Station. / AFP PHOTO / BRUCE WEAVER (Photo credit should read BRUCE WEAVER/AFP/Getty Images)

Rockets are easy to build as long as you have the right materials and the correct instructions. A rocket is a projectile that can be propelled to great heights. A rocket is related to engineering because engineers make rockets and send them to space.