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Our Sense of Sight: Color Vision
University of WashingtonAdd to list DetailsIn this activity, learners investigate color vision as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover that afterimages occur because of...
Dancing Compasses
American Physical SocietyAdd to list DetailsLearners use compasses to detect the magnetic field created by current moving through a wire. This is one of four activities learners can complete related to PhysicsQuest 2008. Each activity gives...
Disappearing Crystals
American Physical SocietyAdd to list DetailsLearners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen....
Shake It Up!
American Physical SocietyAdd to list DetailsLearners drop a magnet through a coil of wire to create electric current in a circuit. LEDs in the circuit allow learners to detect the direction of current flow. Learners see that the direction in...