Electricity
This is the part of the atom that is responsible for electricity.
What is an electron?
Hot air is _______ ______ than cold air.
What is less dense?
Wind power is a form of this kind of energy.
What is renewable energy.
The number of blades on a typical, modern wind turbine.
What are three?
This device converts kinetic energy into electrical energy.
What is a generator?
This the type of elements that conduct the flow of electrons.
What are metals?
This difference causes wind to blow.
What is high and low pressure differences (caused by differences in temperature).
They are used to grind grain and other materials.
What are wind mills?
The place where numerous wind turbines are located.
What is a wind farm?
A type of energy resource that is difficult or impossible to replace.
What are non-renewable resources.
When a metal wire moves through a ___________ field, it causes electrons to flow.
What is a magnetic field?
Wind blows stronger and steadier over places covered by this.
What is water.
For nearly 200 years, people in the central and western US have used wind turbines to do this.
What is pump water out of wells?
A wind turbine converts the ______________ energy of the wind into electrical energy.
What is kinetic energy?
This specific non-renewable resource is the number 1 source for electricity in the US today.
What is natural gas?
Magnetic field force lines concentrate at these two points.
What are poles?
Wind speed is ranked using this scale.
What is the Beaufort Scale.
The type of wind farm located in lakes and in shallow water near coastlines.
What are offshore wind farms?
This is the part of the wind turbine that the blades attach to.
What is the rotor.
The generators in fossil fuel power plants are powered by ____________ powered turbines.
What is steam?
The relationship of electric current and magnetic fields is called______________.
What is electromagnetism?
This pattern of global air circulation is formed by hot air rising at the equator, sinking to the north and south, and returning to the equator.
What are the trade winds?
The first wind turbine used to generate electricity was built in 1888 in which state?
What is Ohio?
They are this way because the wind is faster and steadier at higher altitude.
Why are wind turbines so tall?
The term for the amount of energy that is converted successfully from one form to another.
What is energy efficiency?