I have 2 answers to how electromagnetic force causes change.
First of all, electromagnetic force states that opposites charges attract and same charges repel.
Scientifically speaking, electromagnetic force is the cause of chemical bonding. Because of electromagnetic force, we have covalent, metallic, and ionic bonding. These bonds create everything in the universe. In covalent bonding, electrons are shared and the reason the electrons stay in place is because of electromagnetic force. The positively charged protons pull on the electrons from both sides and that causes the the electrons to be held in place. In ionic, the electrons are given and taken. That causes one atom to become positively charged and one atom to become negatively charged. Electromagnetic force causes these 2 atoms to combine. In metallic, there are few electrons in the valence shell and that causes the electrons to stray away from the shell and form a sea of electrons around the atoms. The electrons in the sea are able to slide past each other like molecules in water. This gives the metal malleability and ductility. The two metal atoms gain the feeling that there valence shells are complete because of the sea of electrons around them. Because of the attraction between positive ions and negative electrons ( electromagnetic force), it is very difficult for electrons to overcome it and stray away from the atoms.
There are some real world examples as well on how opposites attract. But all the ones i can think of are already posted in different blogs so why don't you go look at them (maybe here), (or here), (or here),
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you could use people as an example of opposites repelling as well.
for example, a neat freak might find a messy person absolutely disgusting and repulsive
Good post, but you seemed to focus on how EF causes atomic bonding.
You may want to think about the concept on how EF actually cause atoms to form, and how the whole universe is how it is because of EF.
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