Physics Classroom
A Wiggle in Time Lab
Though an alternative method is suggested, the best way to carry out this investigation is with the use of a computer-interfaced motion detector. Physics fanatics hang a mass on the end of a spring and analyze its motion verbally,...
It's About Time
The Doppler Effect
In 1842, Christian Doppler proposed a theory relating the change of wavelengths based on motion. Young scholars observe the Doppler Effect on a small scale in a ball, on a larger scale from a car, and on the largest scale studying the...
EngageNY
Waves, Sinusoids, and Identities
What is the net effect when two waves interfere with each other? The lesson plan answers this question by helping the class visualize waves through graphing. Pupils graph individual waves and determine the effect of the interference...