Cool Breeze

Every 24 hours the wind generates enough kinetic energy to produce how much more electricity than humans will use each day?

• 35x

• 30x

• 45x

• 25x

Wind turbines use a rotor to catch the wind and transfer what kind of energy?

• Kinetic to Rotational energy

• Rotational to Kinetic energy

• Solar to Rotational energy

• Kinetic to Solar energy

Traditional windmills were used for what purpose?

• electricity

• grind wheat

• pump oil

• sift rice

Which two turbine axis are used to create rotational electric energy?

Which blades can pick up the most wind?

• Vertical

• Horizontal

Which blades are the most efficient when gathering electrical energy?

• Vertical

• Horizontal

When a wind turbine turns into the winds direction to catch the wind at full force it is called what?

• Yawning

• Spawning

• Drawing

• Calling

What are Turbines made out of?

• Fiber glass & Resin

• Plastic & Metal

• Metal & wood

• Wood & Plaster

Modern Turbines use what kinds of blades?

• Flat

• Curved

Wind Turbines can only capture how much of the maximum percentage of air coming at it?

• 59.3%

• 60%

• 50.3%

• 69.3%