Playing Magic with Magnet

I believe every one in this world ever heard magnets. As we know magnet can inerect with another things by touching them. Can  magnets interact without touching the object? Scientists have try it  through air, water, glass, and other objects. Now we will study how can it happend? Check it out J

What You Need?

1.A bar magnet or magnet U

2. Paper Clip

3. Iron Powder or other metal objects from

4.Scotch Tape

5. Paper

6. Glass

7. Water

8. String

Try These:

1.     Tie the paper clip to the end of the string. Then attach the other end of the string with tape on the table or floor. Slowly lift the magnet towards the paperclip until it attracted. Be careful, do not get stuck the magnet to paper clips. Then try lifting magnet upwards slowly, try keep the distance of paper clip and magnet distance is always the same, whether the paper clips will be brought up to follow the magnet?

2.     Place the iron powder into the glass. If no try to find objects made of iron like a nail. After that, hold the magnet from the outside of the glass. Is there iron  in a glass could be attracted by a magnet?

3.   Now, pour water into the glass containing iron powder earlier. Then try to hold the magnet from outside the glass. This time the iron powder is attracted by a magnet? When finished, discard the water and pat dry with a tissue iron powder to avoid rusting.

Result

1.     The paper clips will brought up to follow the magnet

2.    Iron in the glass attrached by magnet

3.    Iron in the glass still attrached by magnet

Facts about Magnets:

After the experiment, we can see the magnets can attract objects made ​​of iron, even though there are medium such as air, water, paper, and glass. So the magnet can attract iron without direct contact with the iron. But the medium is not too thick for small magnet.

Hope it useful :)