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Electricity Presentation

Transcript: Electricity One of the world's greatest wonders What is it? Electricity Electricity Electricity is a form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current. What did I do? The Science I attempted to light a light bulb by transfering the energy from two potatoes to the bulb. What were my results? Sadly, my attempts to light up a light bulb with two potatoes were not succsesful. _ How did I attempt to do my project and why didn't it work? Attempt 1: I took two potatoes and stuck screws into them. Then I attached the screws to copper wires, and those wires led to the light bulb, and were attached to the bottom and side of the metal part of the light bulb using hot glue. I also thought the hot glue was acting as an insolent between the light bulb and the wire. Attempt 2: I did the same thing as Attempt 1 but instead of hot glue I used electrical tape, but with the same results. Attempt 3: I got galvanized nails instead of normal screws and besides that I did the same thing as Attempt 2. Attempt 4: For this attempt I added another wire connected to a penny in the the potatoes with the light bulb at the other end. Attempt 5: This time I stuck the wire into the potatoes and connected that to another wire which attached to the light bulb. Attempt 6: I did something similar to Attempt 5 in that I stuck copper wire into the potato, except this time I used non-copper wires to connect the copper wire to the light bulb. + Although I experienced some difficulties, I learned many things. I learned about the dewey decimal system. I learned about transfering electricity and electrical charges and currents. Last of all, I learned six ways to not make a potato battery. What did I learn? Show & Tell

Electricity Presentation

Transcript: Electricity Presentation Drawing Electric Field Lines Food Battery Lab Series & Parallel on Promethean An electric circuit in which devices are connected to the same two points of a circuit. In this lab we created a series circuit with the food as a power source. When we completed the circuit we had a flow of current. Parallel Electrostatic Charge Resistance In this activity we graphed the force of oppositely charged particles have on each other, compared to gravity on objects. Circuit , Series, and Parallel Power A force field that fills the space around every electric charge or group of charges. Circuit In this activity we drew the force fields that fill the space around every electric charge or group of charges Electric Potential and Power These two are related because you need electric potential to create power. Current Electric Potential, Current, and Resistance Energy a charge has due to it's location in an electric field. This is also voltage represented by V. The push or pull on the electric current in the circuit. Resistance is represented by R. Series Rt = R1 + R2 +....Rn Parallel 1/Rt = 1/R1 + 1/R2 +..1/Rn Any complete path along which charge can flow. Series The fundamental electric property to which mutual attractions or repulsions between electrons or protons. This activity predicted possible power usage in a home. The activity also shows how different things draw different amounts of power. House Energy Audit Jacob Boober Electric Fields Rate at which work is done or energy is transformed. The flow of electric charge. I is used to represent this term. This activity showed the flow of current on the board in relationship to resistance and voltage. This activity represented this in both series and parallel circuits. An electric circuit in which devices are arranged so that charge flow through each in turn. These three are related because series and parallel are both types of circuits. Graphing Electric Force compared to Gravitational Electric Potential In this lab we used tape to create an electric potential due to friction. The larger the charge created the larger the electric field. These three terms are related through the equation V=IR Will That Be Cash or Charge

Electricity presentation

Transcript: Series Circuit * Charges that are different attract each other. *Charges that are the same repel each other. *Friction, conduction, by induction, and by polarization are four methods where changes can redistribute themselves. * Electric currents are produced by electric charges flowing through a material such as wires. * Electrons in insulators are pack tightly so they can not move freely. However in conductors electrons can move around freely. *Energy of charges, and properties of an object can affect current flow. * Current, voltage, and resistance in a circuit are always related. *Basic features electrical circuits have: devices that run by electrical energy, sources of electrical energy, and conducting wires. The Big Picture Parallel Circuit: a closed circuit in which the current divides into two or more paths before recombining to complete the circuit. For example, if one light bulbs goes out the other one stays intact. Electricity: The Big Idea VOCAB TERMS How do charges interact? A:Two objects that are similarly charged will repel, while two objects with opposite charges will attract. Moreover, a neutral object will attract either charges. How do charges build up? A: Atoms and electrons start to build up until there is an excess of electrons. How is electric current made? A:Current is produced in any circuit when an Electromotive Force is connected to a closed circuit. How do conductor differ from insulators? A: Conductors are materials that conduct heat well, while insulators don't conduct heat well. What affects current flow? A: Resistor affect the current through a circuit that's supplied with a constant voltage. What did Ohm discover? A: Resistance in an object is equal to voltage divided by current. What is a current made of? A: It is made out of small particles, smaller than atoms called electrons. Parallel Circuit Electric Charges, Currents, and Circuits Series Circuit Series Circuit: a circuit having its parts connected serially. For example, if one light bulb goes out the other one follows. electric force- force between charged objects. static electricity- the build up of charges on an object. friction- the rubbing of two objects. conduction- heat transfer from one particle of matter to another. polarization- electrons that are attract or repel to an external electric field. conductor- a material that conduct heat well. insulator- a material that does not conduct heat well. voltage- difference in electric potential energy per charge. resistance- measure of how difficult it is for charges to flow through an object. Ohm's Law- resistance in an object is equal to voltage divided by current. series circuit-all parts of an electric current that are connect one after another in one path. parallel circuit- different parts of a circuit that are on separate branches. Parallel Circuit

Electricity Presentation

Transcript: Benjamin Franklin Electricity by Zachaeus Davis Benjamin Franklin Benjamin Franklin discovered electricity. Electricity is a form of energy that is created by natural forces such as lightning. Electricity’s shocking History Electricity’s shocking History In 1752 when Benjamin Franklin discovered electricity he did his famous ¨kite experiment¨. To do his experiment he had a key attached to a kite. Then he went out into a thunder storm and when the kite was shot by lightning the key was charged. To prove this he brought the kite down and touched the key which shocked him. Kite experiment Kite experiment Invented by Thomas Edison Lab in Melno Park, N.J Took over 300 tries Patented invention in 1879 The Lightbulb Lightbulb The world's first electric power plant started in 1882 coal-fired power plant public power plant Built in London Project started by Thomas Edison Managed by Edward Johnson This is really important because this led to the building of all the electric power plants we have to day that run our cities and towns. The World's First Electric Power Plant Power Plant Electricity is such a great discovery that it is used by almost everyone on the planet in some way shape of form. Here is a list of many things that we use in our daily lives the use electricity. Electric cars AC Lights Phone Tablet Computer TV Power Tools Clock Speaker Watch Everyday Electric Items Everyday Electric Items Versatile weightless easy transport and distribution No pollution renewable created in many ways unlikely to ever run out most efficient use of energy Electricity's Importance Importance Electricity is a steady flow of electrons that move within a circuit. When the electrons move around the circuit they carry energy. Its like a marching band carrying instruments but the electrons are carrying small amounts of electrical charge. Because of this, the electrical charge is used to power things that run on electricity like a lightbulb. How Electricity Woks How it Works Electricity travels at the speed of light : 186,000 miles per second One single spark of electricity is worth about 3,000 volts Electric eels can make strong electric shock at 500 volts for either protection or hunting. Two positive charges repel each other and so do two negative charges but a negative and positive attract each other. Electricity helps your heart beat because it causes muscle cells in our hearts to contract Fun Facts Fun Facts and End Credits Credits

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