click below
click below
Normal Size Small Size show me how
Electricity
6th Grade - Electricity
Question | Answer |
---|---|
What is the attraction or repulsion between electric charges? | Electric Force |
What is the transfer of electrons from one uncharged object to another by rubbing? | Friction |
What is the transfer of electrons from a charged object to another object by direct contact? | Conduction |
What is the movement of electrons to one part of an object that is caused by an electric field of a second object but not touching? | Induction |
What is the unit of current? | Amps |
What is the unit of voltage? | Volt |
What is the unit of resistance? | Ohm |
What is the unit of power? | Watt |
What is the unit of energy? | Watt hours |
What is the substance that conducts electric current in an electrochemical cell? | Electrolyte |
What law is, resistance equal to the voltage divided by the current? | Ohm's Law |
What are light bulbs and fans examples of in an electric circuit? | Resistance |
What is the difference in electrical potential energy between two place in a circuit? | Voltage |
What is a device that contains a thin strip of metal that melts if there is too much current through it? | Fuse |
If charges are the same in an electric field will they attract or repel each other? | Repel |
If charges are different in an electric field will they attract or repel each other? | Attract |
What type of electricity occurs when charges build up on an object, but they do not flow continuously? | Static Electricity |
What is the continuous flow of electric charges through a material? | Electric Current |
What is a material through which a charge can flow easily? | Conductor |
What is a material through which charges cannot flow easily? | Insulator |
What is a device that creates a potential difference in an electric circuit? | Voltage Source |
What is an example of a voltage source? | Battery |
What is the rate at which energy is changed from one form to another? | Power |
Complete: The ___________ the resistance, the less current there is for a given voltage. | greater |
What type of energy is stored in chemical compounds? | Chemical Energy |
What is a process in which substances change into new substances with different properties? | Chemical Reaction |
Who created the first electric battery? | Alessandro Volta |
What type of electrochemical cell has a paste for an electrolyte? | Dry Cell |
What type of electrochemical cell has a liquid for an electrolyte? | Wet Cell |
What connects electrical circuits? | Conducting wires |
What is it called when two or more electrochemical cells are connected in a series? | Battery |
What is a connection that allows current to take the path of least resistance? | Short Circuit |
What is it when charges are able to flow directly from the circuit into the Earth in the event of a short circuit? | Grounded |
What is the round, metal piece of an appliance that connects to the ground wire of a building? | Third Prong |
What is a reusable safety switch that breaks the circuit when the current gets too high? | Circuit Breaker |