We know all about the saying “opposites attract” and that may be a good thing or not when dealing with people…
But with science it is a real fact- opposites attract. All you need to do is use some static electricity science fair projects to see how it works!
Almost everything that you look at around you is made up of atoms. They are these little tiny particles that join together and end up being the building blocks for everything around you. The water, the grass, animals, rocks, and you yourself are really just billions and billions of the tiniest little super-small atoms that is there, but you cant see it. Then to go a step further, one of those atoms is made up of even tinier parts, protons, neutrons, and electrons. You find Protons and neutrons in the center of an atom. The electrons however, spin around the center, like planets do with the sun, except a much, much faster.
When you look at pictures in science books of an atom, the protons use the plus sign symbol. That’s because they have a positive charge. Electrons, use the minus sign symbol because they have a negative charge. Positive charges like to hang around negative charges. Usually in atoms there is one proton for every electron – a levelplaying field. One proton to one electron means that the atom is balanced.
Some kinds of atoms take electrons from other atoms. This often happens when atoms bump against each other. When one atom takes electrons from another, it ends up with more electrons than protons, and so it is not balanced any more. They call those negatively charged. When an atom is negatively charged, they don’t like it, so they try their best to get near other atoms that are missing electrons. They really want to be balanced. You can see where this is going…
Here is a reports about atoms that aren’t balanced. In the demonstration, the student will “charge” a pie plate, and then show the class how the electrons jump back to where they belong. Take a look at the video.
This is just one of the demonstration science experiments for elementary students that can be fun to do…
Now find out the secret of how to do this cool – and shocking! – static electricity science projects with Watch This! Science Projects by clicking right here.
Thanks to Science Mom for the idea and video for this article!
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