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 In 1939, Kellogg's employee Mildred Day concocted and published a recipe for a Camp Fire Girls bake sale consisting of Rice Krispies, melted marshmallows, and margarine. It has remained a very popular snack dubbed Rice Krispies Treats. Kellogg's themselves have now produced commercial varieties of both marshmallow and chocolate-based treats under the name Rice Krispies Squares in Canada and the UK, as well as versions under the original Rice Krispies Treats name sold in the United States. In Australia, Rice Bubbles are found in a well-known homemade sweet, the chocolate crackle. This is often found at fetes and consists of