Wednesday, September 29, 2010

Magnets again

I forgot one of the most fun things you can do with magnets! If you have a budding artist and want to encourage them to embrace creative science, try painting with magnets.

  • Grab your paint - I usually stick with two primary colors, but you go with as many as you like.
  • You will need a thin paper plate for those of you with a low mess threshold or paper set inside a box top (try a shoe box top) for those of you who don't mind a little extra clean up.
  • One paper clip per color of paint is a good place to start, but if you have more than one scientist working together, you might need more.
  • One magnet - button magnets are fine for this project.

Dip one end of the paper clip into the paint and from below the plate (or paper), move the clip around with the magnet. Remove that clip and try another color.

Can you blend the colors? If so, what new color do they make? Try making designs or letters. Can you move the clip really fast or does it work best slowly? Why? What could you do to make the paper clip move faster? What else could you paint with?

What else would you like to know about magnets? Can you write that as a hypothesis - a question that can be tested? Post your hypotheses here!

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