General Electricity
A requirement for static electricity to be built up is _______________ between two objects.
Friction
These safety devices melt when an electrical current is too strong.
Fuse
A _______________ is a device that can control the amount of resistance in a circuit (like in a light dimmer switch).
Rheostat, variable resistor
Generator
In the laundry machine video, the old belt-driven design lost energy through ______________.
Vibrations, kinetic energy
The "jumping" of electrons to neutralize a built-up electrical charge is called ________ __________.
Electrical discharge
The size of the river can be related to the _______ of an electrical current.
Voltage
An electrochemical cell requires a ________, ________ and ___________.
Electrolyte, positive electrode and negative electrode
A device that takes electrical energy and produces kinetic energy would be called a _________.
Motor
The type of renewable energy that has the largest potential to impact the surrounding ecosystems is ______________.
Hydro
The three things required for current electricity to flow is a __________, ____________ and __________.
Energy source, circuit (path) and a load (device)
How much an electrical current is slowed down can be measured as _____________ in the circuit.
Resistance
A battery which contains a reversable chemical reaction would be categorized as a ___________ battery.
Secondary
A wind-powered turbine takes __________ energy and turns it into __________ energy.
Kinetic, electrical
Nuclear energy uses ________ ___________ to produce heat energy, which creates steam to power a turbine.
Nuclear fission
Magnet, copper coils
The speed of a river can be compared to the _________ of an electrical current.
Amps
Devices like stove top elements and light bulb filaments need to slow down an electrical current to generate heat. These elements and filaments would be considered __________.
Resistors
A photovoltaic cell in a solar panel converts _______ energy into ___________ energy.
Light, electrical
What is one way you can increase the efficiency of an electrical device?
Reduce moving parts, lubricate moving parts, reduce vibrations, reduce energy lost as heat, etc.
In most electronic devices, energy is lost through the production of ______________.
Heat energy
The "master switches" that control electrical switches and outlets in your house would be located in the ________ __________.
Breaker panel
Primary, dry
A cell phone takes electrochemical energy from a battery, and converts it into _____, _______, _______ and ________ energy.
Light, sound, heat, kinetic
Most of Alberta uses _______________ _________ as a source of energy to produce electricity
Natural Gas