When energy from the sun is used to heat something directly (with no moving parts), it is called... 

• active solar heating
• passive solar heating
• photovoltaic cells

What is the term for the technology that generates electricity when sunlight in semiconductors, causing them to move?

• active solar heating
• passive solar heating
• photovoltaic cells

Which is NOT an advantage of geothermal power?

• renewable
• no pollution
• you don't have to transport it
• geysers and volcanoes are everywhere

Which of the following is an example of alternative energy (renewable, but not in heavy use)?

• hydroelectric dams
• wind farms
• hydrogen fuel cells
• geothermal energy

Which of these is a disadvantage of windmills?

• amount of land required
• time to construct one
• the availability of wind
• the location of reliable wind

Which renewable energy source uses the superheated water below earth's surface to spin a turbine and generator?

• hydroelectric dam
• geothermal power
• wind farm
• hydrogen fuel

Leaving lights on in vacant rooms, washing clothes in hot water, and driving alone are examples of what?

• low energy efficiency
• moderate energy efficiency
• high energy efficiency

Hydroelectric dams and tidal power both use what to turn turbines?

• water pumped uphill
• flowing water
• electricity to split water
• steam

Where would the best location for solar power be?

• Florida
• Pennsylvania
• Maine
• Montana

Which energy source does NOT use turbines?

• wind
• hydropower
• solar
• nuclear