In developing applications for fast neutron scattering in explosives detection, Monte Carlo simulations were completed that characterized the scattering behavior of fast neutrons in a simplified geometry. Targets included C, N, O, and Fe, as well as air, water, oil, and the explosive RDX (C3H6N6O6). Work included a study of energy binning, particle histories, and statistical uncertainty. Results of the simulations closely matched expected scatter behavior. Energy bins of 0.2 MeV and 1 × 108 particle histories provided ample statistical certainty.