Fichas
Introduction to Electricity (Mod. 1 pt2)
Fichas del conjunto (36)
- 1_____ is a natural force produced by the movement of electrons.Electricity
- 2The most common natural source of electricity is _____.lightning
- 3The first truly successful application of electricity was made in 1837 with the _____.telegraph
- 4The _____ was invented by Alexander Graham Bell and was patented in 1876.telephone
- 5The _______ was invented by Thomas Edison in 1878.incandescent light
- 6A _____ is defined as a complete electrical path.circuit
- 7A typical circuit includes these four components: ____, ____, ____, and a ____.power source, conductors, load, switch
- 8The _____ in a circuit are the wires that carry the electricity.conductors
- 9In a circuit, the ____ is a device, such as a light or appliance, that we want to run with electricity.load
- 10In a circuit, the ____ is the device we use to turn the electricity flow on and off.switch
- 11When the switch is turned off in a circuit, the path of the circuit is broken. This is called an ______.open circuit
- 12When the switch is turned on in a circuit, it completes the circuit. This is called a ______.closed circuit
- 13_____ are tiny atomic particles that have a negative electrical charge,Electrons
- 14The end of a battery that's marked with a negative sign (-) is called the ______.negative terminal
- 15The end of a battery that's marked with a positive sign (+) is called the ______.positive terminal
- 16The negative terminal of a battery has _____ electrons and the positive terminal has _____ electrons.too many, too few
- 17The flow of electrons through a circuit is called ______.electric current
- 18All matter in the universe is formed from 100 or so different substances called _____.elements
- 19The _____ is the smallest particle of a element.atom
- 20All atoms are made up of atomic particles called ____, ____, and ____.protons, neutrons, electrons
- 21_____ are the smallest type of atomic particle.Electrons
- 22_____ are heavier than electrons and have a positive charge.Protons
- 23_____ have no electrical charge at all. (they are neutral)Neutrons
- 24A _____ atom is the simplest of atoms. It has 1 electron and 1 proton.hydrogen
- 25The center of an atom is called the _____.nucleus
- 26The copper atom contains ___ electrons and ___ protons.29, 29
- 27Electrons orbit the nucleus of an atom in many layers called _____.shells
- 28_______ orbit the nucleus in the outermost electron shell and are easily dislodged from their orbit. (copper atoms are a good ex.)Free electrons
- 29A common way to remove electrons from their orbit is _____ (rubbing).friction
- 30Any substance in which electrons can move freely is a _____.conductor
- 31George Ohm was the first to discover the existence of ____, ____, and ____.conductors, insulators, resistors
- 32Two of the best known conductors of electricity are ____ and ____.copper, silver
- 33_____ means how well a material carries electricity.Conductivity
- 34_____ is commonly use in resistors because its atom has 4 electrons in its outermost shell.Carbon
- 35The ohm measurement was named after _______.George Ohm
- 36_____ is a better conductor than copper because its atom's free electron is one more shell farther away from its nucleus than copper's.Silver
Información
- Descripción
- Here are some basic facts and other things about electricity :D
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- That Yeti Dog Person
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