General knowledge
Technology
Sources
100

What energy reduces the carbon footprint? 

Wind energy

100

What are the three types of geothermal power plants?

Dry steam, flash steam, and binary cycle

100

What source of geothermal energy is a natural spring of hot water?

Hot spring

200
What is the definition of geothermal energy?

Heat within the earth

200

What is the purpose of wind turbines?

"a device that converts the kinetic energy of wind into electrical energy"

200

What is a type of acidic hot spring?

Mud pots

300

What is the definition of wind energy?

produce electricity using the kinetic energy created by air in motion

300

What is the country that uses the most energy?

China

300

What type of energy is used in sports like sailing and land surfing?

Wind energy

400

What is the origin of the word "geothermal"?

Greek. Geo(earth) and Therme(heat)

400

What do geothermal power plants use to produce electricity?

Steam

400

The rotation of the earth causes what energy?

Wind

500

What energy do air conditioners use?

Geothermal

500

What popular wind conversion energy technology uses blades?

Wind turbines 

500

Geysers are a source of what energy?

Geothermal

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