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Bills, Patricia; Kulkarni, Madhura; Hart, Reeda Stamper – Science and Children, 2017
Students in Mrs. Wilson's fourth-grade classroom watch in anticipation as the guest teacher, Ms. Davis, demonstrates binary signaling using a lightbulb that flashes when she holds it in her hands. She challenges them to guess what she is trying to "say" while making the lightbulb flash on and off, explaining that the lightbulb stands for…
Descriptors: Faculty Development, Grade 4, Teaching Methods, Standards