3.1
The largest form of static electricity (think weather)
What is lightning?
Charging a material by rubbing
What is charging by friction?
Another term for voltage
What is electrical potential difference?
Current is measured in ______
What is amperes?
The rate at which electrical energy is used by a load
What is electrical power?
The sum of kinetic energy and potential energy
What is mechanical energy?
An object that has an equal number of positive and negative charges that cancel each other out
What is electrically neutral?
The two main components of an electrochemical cell.
What are electrodes and electrolytes?
Voltage, current, and resistance are related by _____
What is Ohm's Law?
There are ____ watts in one kilowatt
What is 1000?
The energy of charged particles
What is electrical energy?
The law of electric charge states that like charges will _____ each other
What is repel?
Battery; transforms chemical energy into electrical energy
What is an electrochemical cell?
A circuit in which current flows along multiple pathways
What is a parallel circuit?
Sunlight, biomass, and river flow are examples of ___ energy sources
What is renewable?
New atoms are made by splitting larger atoms (carried out in reactors on Earth)
What is nuclear fission?
A negatively charged balloon and a neutral wall will...
What is attract?
An indication of how easily charges travel through a material
What is conductivity?
In a series circuit, current is ___ in all parts of the circuit
What is equal?
A label that gives details about the amount of energy that an appliance uses in one year of normal use
What is the EnerGuide label?
Absorb solar energy and transform it into electrical energy
What are photovoltaic cells?
Cannot be rubbed off of one material and transferred to another; part of the nucleus and held firmly in place
What are protons?
A circuit with a resistance that is too low, making the current so high that it is dangerous
What is a short circuit?
This type of circuit is impractical for homes
What is a series circuit?
Most of B.C.'s electrical energy is provided from the ___ ________ ____
What is the WAC Bennett Dam?