Static Electricity
particle that makes up all matter is
What is the atom?
the "official" term for the wires in an electric circuit?
What are conductors or connectors?
The unit for resistance is
What is an ohm?
A motor converts ________ into _________
What is chemical into kinetic?
Another name for battery
What is a source?
When this happens to an object it becomes neutral.
What is grounding?
If a circuit is correctly put together, a load will not operate if the circuit is
What is open?
What happens to the resistance of a parallel circuit the more load you add to it?
What is decrease?
This device converts thermal energy into electrical energy
What is a thermocouple?
the largest form of static electricity (think weather)
What is lightning?
The 4 main parts to any circuit
What are switch, load, source, and connectors ?
To increase the resistance of a wire you could do this to the temperature
What is decrease it?
Electrons in a wet cell flow from the ________ to the ________?
What is the anode to the cathode?
the unit used to measure current
What is an Ampere?
a negatively charged balloon and a neutral wall will...
What is attract?
Name an advantage and disadvantage of a parallel circuit.
Answers may vary
Advantage - can control more than one load on the same circuit
Disadvantage - more expensive because more material
Using a 5 cm piece of wire rather than a 2 cm piece of wire will do this to the resistance.
What is increase it?
Wind turbines are a form of renewable energy. What are the energy conversions that happen in a wind turbine?
Mechanical --> Electrical
the path that electricity follows called
What is a circuit?
removal of electrons from an object
What is discharge?
Draw a parallel circuit with two bulbs and switch to control each bulb
What is ...
By increasing the diameter of a wire you do what to resistance?
What is decrease it?
What is efficiency?
What is how well a machine converts input energy to useful output energy? Expressed as a percentage.
What is a generator? What energy conversions take place in a generator?
What is a machine that has a connected electromagnet in it to force electrons to flow? The energy conversion is kinetic energy of the turbine --> electrical energy