Roller coaster innovations are not limited to loops, dips, and spirals. In this riddle, students are asked how a coaster can be launched without an initial hill. Before answering, students go to a clue page where they read about and watch a video clip of two girls using springs to launch a pinewood derby car. Once students choose the best answer from the riddle's three answer choices, a short video clip about air-launched coasters plays. A roller coaster designer explains how compressed air can now be used to propel coasters. A few additional details about air-launched coasters are provided in the text-only version of the riddle, available once the clip has played.


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    Informal Education,Middle School,NSDL,Upper Elementary,Grade 5,oai:nsdl.org:2200/20120114184124367T,NSDL_SetSpec_1007936,Grade 4,Forces and motion,Elementary School,Grade 6,Pre-Kindergarten,Physical science,Chemistry,Physics,Grade 8,Grade 7



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