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Roller Coasters
Grades: PS/Pre-K to 12Subjects: Education, Child Development & Family Services, Engineering & Design, Energy & Work, Experimentation and the Scientific Method and 7 additional..This group of friends found that there was a positive relationship between their pulse rate and the scariness of a ride at their...Contributor: DragonflyTV (NSDL Collection)Views: 0Favorites: 0