10 Fun Projects With Magnets,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-outlet-246/]Ralph Lauren Polo Outlet[/url]
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There are plenty of places to get your magnets, and don't forget the many different kinds available. They come in all sizes and shapes,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-outlet-250/]Ralph Lauren Polo Outlet[/url], colored and plain, and even in flexible sheets that can be cut into any shape.
Magnetize the pin by holding it in your hand and stroking it with the magnet in one direction only,[url=http://www.masterclass-detailing.co.uk/cheap-polo-shirts-246/]Cheap Polo Shirts[/url], from the base (head) to the point. Lift the magnet off at the point, then begin again at the base. Repeat this at least 25 30 times.
Now push the pin through the piece of cork so that the cork is in the middle of the pin, and put the cork/pin in the (non metallic) water filled bowl. The pin should have been made magnetic enough to point North.
You can also try seeing how strong your new pin magnet is by seeing if it will pick up small metal objects, such as paper clips.
2. Polar attraction/repulsion A
Magnets, of course,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-outlet-247/]Ralph Lauren Polo Outlet[/url], have north and south magnetic sides. Depending upon which ends (or sides) that you force together, they will either attract strongly or not at all. If you put north and south magnetic poles together, they will attract. If you put two similar sides together,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-248/]Ralph Lauren Polo[/url], north or south, they will either not attract or they will actually repel one another.
With this experiment, you and your children will discover the force of the attraction or the repulsion of the magnet.
Place two opposite ends together and you will notice that they instantly attract to one another. Lesson: north and south poles on the magnet attract one another,[url=http://www.masterclass-detailing.co.uk/cheap-polo-shirts-245/]Cheap Polo Shirts[/url], at different strengths depending on the magnets and the conditions.
Now try to force the two north sides of the magnets together,[url=http://www.masterclass-detailing.co.uk/category/ralph-lauren-polo-outlet/]Ralph Lauren Polo Outlet[/url]. You will be able to feel as the poles repel one another. You can do the same thing with the south sides and will notice the same effect. You can measure the force by holding the same poles together and slowly releasing your hold on the magnets.
3. Polar attraction/repulsion B
Using the same bar magnets, place them down on a table. Take one magnet with north side pointing forward and push it close to the other magnet's north side. The magnet you are not holding will move away from the one you are, and even try to turn itself around.
This shows that the south side is attracting your magnet's north side. You can determine the magnet strength by seeing how far away you can be and still have these effects,[url=http://www.masterclass-detailing.co.uk/cheap-polo-shirts-247/]Cheap Polo Shirts[/url].
4. Polar attraction/repulsion B Again using the same kind of magnets,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-250/]Ralph Lauren Polo[/url], but three to five of them, experiment with pushing the magnets in a kind of "magnet train." Line magnets up with south sides facing south and north sides facing north,[url=http://www.masterclass-detailing.co.uk/polo-outlet-248/]Polo Outlet[/url], then push the first magnet and watch the other magnets jump forward.
Keep lining up magnets this way and see how many you can get to work together in your "train."
If you cannot buy or construct a base for the rod,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-outlet-248/]Ralph Lauren Polo Outlet[/url], you can stand it up in a wad of modeling clay. It won't be bearing much weight, so it doesn't have to be "over prepared."
First, determine the magnetic forces of the donut magnets and which side is north or south.
Remember,[url=http://www.masterclass-detailing.co.uk/ralph-lauren-polo-outlet-249/]Ralph Lauren Polo Outlet[/url], of course,[url=http://www.masterclass-detailing.co.uk/cheap-polo-shirts-250/]Cheap Polo Shirts[/url], that polar opposites attract. Now put three or four magnets along the bottom of the wooden rod as it is standing. The positioning of the magnets is important: Place all of the magnets with south at the bottom, so when you stack up the three or four magnets, the north (top) part of the bottom magnet will attract the bottom (south) side that you place on top of it. Thus, at the very top of the pile, you will have a north side.
Place the next magnet with the north end down. It will not attract to the north side below it, so it will "hover" over the other magnets. You can continue the hovering demonstration by placing another magnet, south side down this time, on the rod. This new magnet will also hover, as will any others you position on the rod (remembering to alternate the north/south orientation).
6. Sheet magnet fun A: Refrigerator magnets
several letter size sheets of flexible magnetic material, white on one side
family photos or kids' artwork
Have the kids decide whether they want to make their refrigerator magnet with a drawing or a photo. It could be great fun for each child to make his or her own photo magnet.
Cut the drawing or photo out and trim it nicely. Place it on the magnetic sheet and trace the shape with a pencil, then cut the shape out of the magnetic sheet. Glue the drawing or picture to the magnetic material.

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