12 Questions The Science of Snowflakes! This winter kahoot examines the science behind how a snowflake forms, including sublimation, hexagonal shape, and reflection of light. Science_by_Kahoot, 12/11/2018 answers Play Snow crystals form when water vapor changes from a gas directly into a solid. This is called: evaporation condensation sublimation deposition True/False: Snow is white due to ice crystals reflecting all colors in the light. True False What conditions are needed to create heavy snowfall? moisture & warm temperatures dry air & warm temperatures moisture & cool temperatures dry air & cool temperatures … and 9 more awesome questions! Check them out by clicking “Play”.