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Kelly, Bruce – Science Teacher, 2006
Analyzing real motion with frame-by-frame precision can be conducted using modestly priced digital-video camcorders. Although well below the 1,000 frames-per-second threshold of high-speed cameras, commercially available camcorders grab 30 frames per second. A replay dissected at this lower frequency is fun to watch, challenges students'…
Descriptors: Student Attitudes, Student Participation, Science Activities, Motion
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Gurley-Dilger, 'Laine – Science Teacher, 1986
Describes an activity in which students observe pairs of students engaged in conversation. Observations of "body language" are made, shifts in stance, and duration of stance. Discusses the application of this type of study to other species. (TW)
Descriptors: Behavior Patterns, Body Language, Ethology, Eye Contact