electrostatic and magnetic attractions

video a: to differentiate electrostatic and magnetic attractions

If you wish to present this experiment to the classroom you can use the following worksheet:

Step 1
Bring a magnet close to some iron fillings.
What do you observe? What happens to the iron fillings?

Step 2
Rub a plastic strip with a piece of woolen cloth and bring the strip close to the iron fillings. What do you observe? What happens to the iron fillings?

Step 3
Bring a magnet close to some small pieces of paper. What do you observe? What happens to the small pieces of paper?

Step 4
Rub a plastic strip with a piece of woolen cloth and bring the strip close to some small pieces of paper. What do you observe? What happens to the small pieces of paper?

video b: to differentiate electrostatic and magnetic attractions

If you wish to present this experiment to the classroom you can use the following worksheet:

Step 1
Put iron fillings in a plastic glass. Put a magnet close to the outer sides of the plastic glass. What do you observe? What happens to the iron fillings?

Step 2
Put iron fillings in a plastic glass. Rub a plastic ruler with a piece of woolen cloth and put the ruler close the outer sides of the plastic glass. What do you observe? What happens to the iron fillings?

video c: to differentiate electrostatic and magnetic attractions

If you wish to present this experiment to the classroom you can use the following worksheet:

Step 1
Spray water around and on the surface of a magnet. Bring the magnet close to some iron fillings. What do you observe? What happens to the iron fillings?

Step 2
Rub a plastic strip with a piece of woolen cloth. Spay water around and on the surface of the strip. Put the strip close to some iron fillings. What do you observe? What happens to the iron fillings?

bkoul	Latest page update: made by bkoul , Jul 10 2008, 7:20 AM EDT (about this update About This Update Edited by bkoul view changes - complete history)
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	ntsag		Questions about the experiment in video c ...	0	Jul 5 2008, 5:26 PM EDT by ntsag
			Thread started: Jul 5 2008, 5:26 PM EDT Watch First of all I must admit we have three interesting experimentss on this page! On the experiment of video c, I appear to have a question though. What is the liquid that the magnet firtst and then the plastic stripe is sprayed on? Is it water? It appears to be most likely ... but then again I do not get the puropse of this ... Could someone please clarify and shed some light on this issue ...??? Cheers Nektarios Do you find this valuable? Keyword tags: None Post reply

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