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# Static electricity 1008

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### Transcript

• 1.
• Static
• electricity
• 2. Current electricity – Current electricity can be used by people. when electrons flow through a circuit. There are two categories (types) of electricity:
• 3. There are two categories (types) of electricity: Current electricity – Current electricity can be used by people. when electrons flow through a circuit.
• 4. There are two categories (types) of electricity: Static electricity – when electrons build up on an insulator (rubber, clothing, non-metals) causing an imbalance. The “charge” of static electricity is sometimes discharged (balanced) by a spark. This type of electricity is not used much by people, but can be fun (and sometimes dangerous).
• 5.
• Static
• electricity
• 6.
• Static electricity
• 7.
• Everything is made of tiny particles called atoms.
• 8.
• Atoms have positively (+) charged protons in the middle
+ +
• 9.
• Atoms have positively (+) charged protons in the middle
• and negatively charged electrons (-) orbiting quickly around them.
_ + _ +
• 10.
• Protons always stay with their atom, but electrons sometimes move to different atoms.
• Traveling electrons are what we know as electricity.
• 11. When more negatively charged electrons are on an object it has a negative charge. If electrons have been taken away, the object will be have a positive charge because it is out of balance toward the positive protons.
• 12. Your body is an object that can become unbalanced with a negatively charge when you shuffle your shoes on a carpet. The spark that jumps from your hand to the doorknob balances your static charge. You have to walk on the carpet some more to get another spark.
• 13.
• Two objects with static charges can attract or repel each other much like magnets.
• If the charges are the same (both positive or both negative) the objects will repel just like magnets.
• If the charges are different, they attract.
• (Opposites attract)
+ + _ _
• 14. Different charges attract Charges that are the same repel each other.
• 15. The reason this hair looks so funny is because each hair has the same static charge. Each hair is repelling all the others.
• 16.
• 17.
• 18.
• 19.