Two-source Ripple Tank interference patterns with River Valley High School
Introduction Video on the features of the computer model as a guide to support learning.
Ejs Open Source Ripple Tank Interference Model java applet
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2067.0
this video made as a research response to improve student's experience and learning by supporting teachers in setting the stage, giving the basic features of the inquiry lesson to come,  for student centred inquiry with computer model as a tool.
the teacher will play a even bigger role in facilitating learning because the tool adds interactive engagement and visualization that traditional tools cannot support.

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enjoy!