I.Static Electricity:Definition;__________________________________________________________ II.How is static electricity produced ?____________________________________________________ A. Examples: 1-Electrophorus Plate__________________________________________________________ 2-Rubber rod and fur__________________________________________________________ III. Characteristics of Static Electricity A. What effect does a charged object have on uncharged objects ? 1-Rubber rod and paper____________________________________________________ 2-Comb and stream of water________________________________________________ B. There are different types of charges 1-Negative Charges: due to a________________________________________________ 2-Positive Charges: due to a_________________________________________________ C. Law of Electrostatics 1-Like charges_______________each other (a)-a charged rubber rod ___________another charged rubber rod 2-Opposite charges__________each other (b)- a charged rubber rod ___________a charged glass rod D. Static charges occur on the___________________of an object. 1-What does an electroscope do when a charged object is approaches it when it is first outside of and then inside of a wire cage? ___________________________________________________________________________ 2-What practical use is there for this information?____________________________________ ___________________________________________________________________________ E. Static electricity can be conducted across object surfaces and through direct contact. 1-Spark board________________________________________________________________ 2-Leyden jar and a human chain__________________________________________________ F. Static electricity can be stored 1-Leyden jar: a type of capacitor____________________________________________ 2-Pin on bonnet of generator: __________________store a charge IV. Uses and Applications A. To power microscopic machines(nanotechnology) 1-Spinning disk_______________________________________________________________ 2-Racing ball_________________________________________________________________ B. Jacob's ladder: What causes the ____________ ________ ___________ ________? C. Electrostatic wind 1-Plastic streamers_____________________________________________________________ 2-Pin on bonnet_______________________________________________________________ D. Wireless transmission of electricity? 1-Tesla coil__________________________________________________________________ |