1-1+Forces+and+Electrical+Charges

Vocabulary- Electrical Charge Unlike Charges Like Charges media type="custom" key="368501" Brain Pop video http://www.brainpop.com/science/seeall/ media type="custom" key="366619"

[|Static Electricity]- does not move [|Thales] and [|William Gilbert] Comes from the Greek word elektron (petrified tree resin called amber) When rubbed with a cloth, it will attract paper or leaves.

Fundamental Law of electicity: Like charges repel and unlike charges attract.

Coulomb's law Van De Graaff generator Charles Du Fay- vitreous and resinous Benjamin Franklin- didn't like Du Fay's 2 kinds. He belived there was only one type of electricity. An excess of electrical charge positive +, and an absence of charge negative -. Negative charges- vinyl, rubber, and silk Positive charges-fur, glass, and wool For work to be accomplished, electric charges must move. Section Review Poster Assignment http://www.creativekidsathome.com/science/staticelectricity.html http://www.loc.gov/rr/scitech/mysteries/static.html http://www.kidskonnect.com/content/view/72/27/ http://www.eia.doe.gov/kids/energyfacts/sources/electricity.html http://edtech.kennesaw.edu/web/electric.html http://www.sciencemadesimple.com/static.html http://amasci.com/miscon/eleca.html#clouds