Chapter 8 vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Amperes | Unit for measuring electric current; very small currents are measured in milliamperes
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| Circuit Diagrams | A drawing using symbols to represent the different components of a circuit
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| Current Electricity | The continuous flow of charge in a complete circuit
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| Electric Circuit | A complete pathway that allows electrons to flow
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| Electric Current | The amount of charge passing a point in a conductor every second
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| Electric Load | Any device that transforms electrical energy into other forms of energy, such as light bulb, buzzer, heater, and motor
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| Electric Potential Energy | Electric energy stored in a battery
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| Electrical Resistance | The ratio of voltage to current
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| Electrochemical Cell | Electrodes in electrolytes that convert chemical energy into electrical energy stored in charges; also called batteries
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| Electrodes | Two terminals in a battery or other electricity source; usually made of two different metals but can be a metal and another material
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| Electrolyte | Substance that conducts an electric current. In a dry cell, the electrolyte is a moist paste; in a wet cell, the electrolyte is a fluid
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| Energy | The ability to do work
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| Ohm | The unit of measurement for electrical resistance
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| Ohm's Law | The mathematical relationship comparing voltage (v), current (I), and resistance (R), written as R=V/I
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| Potential Difference | The amount of electric potential energy per one coulomb of charge at one point in a circuit compared to the potential energy per coulomb of charge at another point in the circuit; also called Voltage
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| Resistance | The property of any material that slows down the flow of electrons and converts electrical energy into other forms of energy
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| Resistor | An electrical component with a set amount of resistance that slows down current and transforms electrical energy into other forms of energy
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| Volt | The unit of potential difference
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| Voltage | The amount of electric potential energy per one coulomb of charge at one point in a circuit compared to the potential energy per coulomb of charge at another point in the circuit
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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