1.
A machine that converts wind's kinetic energy into electricity is a wind ______.
2.
A collection of wind turbines in the same location is a wind ______.
3.
The part of the turbine that consists of the blades and the hub is the ______.
4.
The "box" atop the tower that houses the generator and gearbox is the ______.
5.
Wind is caused by the ______ heating of the Earth’s surface.
6.
Turbines located in the ocean are called ______ wind farms.
7.
The instrument used to measure wind speed is an ______.
8.
The ______ of a turbine's blades allows them to capture the wind.
9.
A ______ converts the mechanical energy of the spinning blades into electricity.
10.
The vertical post that supports the turbine is the ______.
11.
Wind speed must reach the ______ speed before a turbine starts generating power.
12.
To prevent damage, turbines have a ______ speed where they shut down in high winds.
13.
______ axis turbines have blades that rotate like a propeller.
14.
The force that pulls a turbine blade forward is called ______.
15.
The force that resists the movement of the blade is called ______.
