Friday, February 10, 2012

Magnets

Today we continued our learning about magnets.  Earlier this week we did two experiments to observe how magnets attract and what can block a magnetic force.  Today we talked about the invisible magnetic field.

<iframe width="420" height="315" src="http://www.youtube.com/embed/uj0DFDfQajw?rel=0" frameborder="0" allowfullscreen></iframe>

The students watched clips from Bill Nye to further understand these concepts while small groups did a short experiment.  They used iron filings to observe a magnetic field.  Here is the entire video (in 3 segments) from Bill Nye if they would like to watch it at home.

<iframe width="420" height="315" src="http://www.youtube.com/embed/mzqoxfkCozk?rel=0" frameborder="0" allowfullscreen></iframe>

<iframe width="420" height="315" src="http://www.youtube.com/embed/RdROOcnr1q4?rel=0" frameborder="0" allowfullscreen></iframe>

<iframe width="420" height="315" src="http://www.youtube.com/embed/qZGBUDIsceI?rel=0" frameborder="0" allowfullscreen></iframe>

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