This webpage from Exploratorium provides an activity that demonstrates the Bernoulli principle with readily available materials. In this activity a table tennis ball is levitated in a stream of air from a vacuum...
This is the homepage of the Student Difficulties in Physics Information Center. The site provides a list of documented student misconceptions and difficulties, along with questions that can be used in a classroom to...
This website contains a Flash applet which simulates the motion of a vibrating string as well as ideas for activities involving this simulation. The end of the string can be moved using the mouse or driven by an...
This animation with accompanying explanation illustrates the principle of wave superposition: when two (or more) waves travel through the same medium at the same time, the waves pass through each other without being...
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