Show:
Electric Charge and Static Electricity
Electric Current
Batteries
Electric Circuits
Electric Power & Electrical Safety
100
The law that states that charges are not created or destroyes, only transferred.
What is the law of conservation of charge?
100
Material through which charge cannot flow easily.
What is a conductor?
100
A battery transforms this type of energy to electrical energy.
What is chemical energy?
100
A device used to measure current.
What is an ammeter?
100
Equation for calculating power.
What is Power = Voltage x Current?
200
The attraction or repulsion between electric charges.
What is electric force?
200
A complete unbroken path through which electric charges can flow.
What is electric circuit?
200
Two types of electrochemical cells.
What is a dry cell and a wet cell?
200
A device used to measure voltage.
What is a voltmeter?
200
The calculation for the total amount of energy used by an appliance.
What is Energy = Power x Time
300
The transfer of charge from one object to another by rubbing.
What is friction?
300
Three parts of an electrochemical cell.
What is the electrode, terminal and the electrolyte?
300
In this type of circuit, all parts are connected one after another along one path.
What is a series circuit?
300
Why should people avoid electric shocks?
What is interferring with the functions of the human body including breathing, heartbeat, and muscle movement.
400
That which extends around a charged object.
What is electric field?
400
A device that creates a potential difference in an electric circuit.
What is a voltage source?
400
Alessandro Volta's first battery was composed of this.
What is layers of silver, zinc, and paper soaked in salt water?
400
The basic features all electric circuits have.
What is a source of electrical energy, connections by wires and usually has a switch?
400
A connection which allows current to take the path of least resistance.
What is a short circuit?
500
Three methods by which charges can be transferred to build up static electricity.
What is charging by friction, by induction and by conduction?
500
List three ways to alter a wire to decrease resistance.
What is shorten the wire, increase the diameter, increase the temperature, change the material of the wire?
500
The substance that conducts current in an electrochemical cell.
What is electrolyte?
500
Ohm's law.
What is resistance = voltage divided by the current?
500
Two safety devices built into circuits and how they work
What is a fuse and a circuit breaker?