MVMS Electricity and Magnetism
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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| Magnet | An object that attracts anything made of iron, cobalt and nickel.
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| Repel | To drive away or force backwards
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| Attract | To cause to come near
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| Magnetic Force | The force of attraction or repulsion between poles of a magnet
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| Magnetic Field | The area around a magnet
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| Magnetosphere | The earth’s magnetic field
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| Electric Current | The flow of electrons
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| Electromagnet | Is a temporary strong electrically charged magnet. When current is removed the electromagnet no longer attracts.
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| Generator | Converts mechanical energy to electrical energy
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| Motor | Converts electrical energy to create movement (mechanical energy)
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| Amperes (Amps) | The measure of the flow of electrons
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| Ammeter | The instrument that measures electrical current
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| Voltage | Measures how much electric potential energy an electron can gain, the “push power”
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| Battery | Converts chemical energy into electrical energy
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| Resistance | Is the measurement of how difficult it is for electrons to flow through material
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| Ohms | The unit of measurement for resistance
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| Electron | The negatively charge part of an atom
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| Conservation of Charge | Charges can be transferred but never created or destroyed
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| Negative charge | A result of gaining electrons
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| Positive charge | A result of losing electrons
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| Neutral charge | Having equal number of electrons and protons
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| Static Electricity | An imbalance of electrons on an object
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| Electric Field | The area or field around a charge that causes other electric charges to be attracted or repelled
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| Conductors | Material in which electrons are able to move through easily
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| Insulators | Material in which electrons are NOT able to move through easily
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| Static Discharge | Is the rapid movement of an excess charge from one place to another
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| Grounding | Is the process of providing a pathway to drain the excess charge into the earth
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| Series Circuit | Has only ONE PATH for electrical current to flow
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| Parallel Circuit | Has more than one path for electrical current to flow
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| Fuse | A mini circuit that contains a small piece of metal that melts if the current becomes too high. When the metal melts the circuit is broken, stopping the flow of current through the overloaded circuit.
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| Breaker | contains a piece of metal that bends when the current in it is so large that it gets hot. The bending causes a switch to flip and open the circuit, stopping the flow of current.
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| Electric Power | The rate at which an appliance converts electrical energy to another form of energy.
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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.
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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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Created by:
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