Snap, Crackle and Pop The first derivative of position with respect to time is velocity, the second is acceleration, and the third is jerk. The fourth is snap, or jounce, while the fifth and sixth are sometimes called crackle and pop. Snap, Crackle and Pop Snap, Crackle and Pop are the cartoon mascots of Kellogg's crisped-rice breakfast cereal Rice Krispies. The gnomic elves characters were originally designed by illustrator Vernon Grant in the early 1930s. The names are an onomatopoeia and were derived from a Rice Krispies radio ad: The first character appeared on the product's packaging in 1933, Grant added two more and
Rice Krispies Rice Bubbles, copha and cocoa, amongst other things. In the UK, a similar treat is made of Rice Krispies and melted chocolate. White Christmas is another Australian sweet made with Rice Bubbles, milk powder, copha and dried fruit. Kellogg's also produces commercial versions of Rice Krispie treats known as Rice Krispies Squares, cereal bars, and a multi-grain cereal known as Rice Krispies Multi-Grain (formerly Muddles) sold on the UK market. Primarily aimed at children, Multi-Grain contains a prebiotic and is claimed by Kellogg's to promote good digestive health. Snap! Crackle! and Pop!, the animated cartoon mascots for Rice Krispies, were