We have completed our first chapter on waves and are also in the middle of collecting data on the International Boiling Point project. To read more about this project go to http://www.ciese.org/curriculum/boilproj/
Today in class (September 23-24) we collected data from the project using both thermometers and digital temperature probes. We graphed the data using the software provided by the probes and looked at the boiling point on the phase change graph.
We then reviewed the wave properties of reflection, refraction and diffraction. For diffraction we looked at an online ripple tank demo. To try it at home go to http://www.falstad.com/ripple/
Choose single source and then play with the frequency. Have fun!
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