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WHAT IS ELECTRICITY?
Matter is made of very small particles called atoms. An atom has a balance (equal charge) of protons and electrons (positive and negative charge)
Because of a source of energy on the atom the electrons move from one atom to another and that produces
ELECTRICITY.
Thales was the first to notice static electricity around 600 BC. In 600
B.C.
Thales of Miletus writes about amber becoming charged by rubbing – he was describing what we now call static electricity.
Stick the balloon to a wall...
Bring the balloon close to one end of the popsicle stick, and watch it rotate on the spoon!
ENERGY SOURCES: we need energy to generate electricity
1- Renewable means that never run-out: sun, wind, water, ..
2-Non renewable sources are more contaminating: oil, gas, batteries.. and will run out in the future.