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Junior Cert Moments

A balanced spoon - which 'half' is heavier? Nice teaching idea. YouTube 2 mins 4 Star
Wondeful interactive learning activity From Phet 5 Star
Series of challanges on balancing a lever Nice activity from freezeray.com 4 Star
An interactive balance-beam

Change the weight or position of the weight on either side to make the beam balance. From explorelearing.com

4 Star
A more detailed simulation. Basic applet. It's not obvious how to hang extra weights - click to form a new mass and then drag it on to the existing masses. 3 Star
Physics meets Art: beautiful display of moments
YouTube 8 mins. Make sure to watch the very end
5 Star