SearchSearch Apply Filter Filter Content Type activity (374)article (1528)experience (505)page (897)person (667)press (2254) Media Type Brightcove Videos (2174)Files (960)Remote audio MP3 (185)Remote Audio MP3 Slideshow (27)Remote Videos (271) Subject Arts (137)Astronomy and Space Sciences (65)Biology (152)Chemistry (71)Data (32)Earth Science (102)Engineering and Technology (102)Environmental Science (24)History (6)Mathematics (85)Nature of Science (77)Perception (161)Physics (319)Social Science (45) Displaying 25 - 36 of 9842 Two-Slit ExperimentSend waves down a spring to watch them travel and interact. Slinky in HandMake waves without getting wet. Wait, Weight, Don't Tell Me!Have a gas with the conservation of mass. Falling for Gravity“g,” that’s interesting! Investigating gravity. Falling FeatherProve to yourself that Galileo was right. Ear SortDo your ears hang low—and what do textbooks know? DiffractionDemonstrate diffraction using a candle and two pencils. CD SpectroscopeTurn an old CD into a spectroscope to analyze light. Blue SkyDiscover why the sky is blue and the sunset is red. Bicycle Wheel GyroA bicycle wheel acts like a giant gyroscope. Aluminum-Air BatteryConstruct a simple battery that can power a light. AfterimageA flash of light leaves a lingering image. Previous 1 2 3 4 5… Next