Bicycle safety is a critical matter. This riddle asks students how they can illuminate their bicycles without using reflectors or headlamps. Before they select their answer, students are given a clue. They read about and watch a video clip of two children's attempts to use glow-in-the-dark materials to light up their bikes. The riddle's final page presents students with three clickable answer choices. Brief feedback is given for the incorrect choices. When students select the best answer, a short video clip plays in which an engineer describes how battery-powered electroluminescent panels can be used. He also offers a safety reminder. A link is provided to the text-only version of the riddle. Copyright 2005 Eisenhower National Clearinghouse


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    Informal Education,Middle School,NSDL,Upper Elementary,Engineering technology,oai:nsdl.org:2200/20120114184642148T,Grade 4,Grade 5,NSDL_SetSpec_1007936,Engineering,Science and technology,Elementary School,Grade 6,Technology,Grade 7



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