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A Hummingbird Compared to a Helicopter
Grades: 3 to 8Subjects: Science, Physics, Life SciencesIn this activity, from the Aeronautics Internet Textbook, students will compare the hummingbird to the helicopter, noting the si...Contributor: ThinkfinityViews: 0Favorites: 0The Science of Big Waves
Grades: 8 to 12Subjects: PhysicsWhere do ocean waves come from? Find out how are they generated, how they gain speed, move and what makes one wave bigger then t...Contributor: KQEDViews: 0Favorites: 0