How does biomass reduce our carbon footprint by producing less CO2 than fossil fuels?

• Plants absorb the same amount of CO2 that is released when it is burned.

• Plants remove CO2 from the atmosphere and put it permanently into the ground.

• Biomass filters CO2 to make it more environmentally stable.

• Biomass doesn't release any CO2 when burned.

Which of the following energy sources has the lowest negative environmental impacts?

• Biomass

• Nuclear

• Natural Gas

• Solar

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The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-

• fossil fuels

• biofuels

• solar energy

• geothermal energy

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The most commonly used approach to solar energy collection is ________, in which buildings are designed and building materials chosen to maximize their direct absorption of sunlight in winter, even as they keep the interior cool in the heat of summer.

• Active

• Passive

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Which is NOT an example of biomass?

• wood

• crop leftovers (the part of the plant that isn't consumed)

• manure and/or trash

• petroleum

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Which type of fuel produces the most sulfur?

• wind

• coal

• biomass

• nuclear fission

Which of the following DOES NOT use a turbine?

• Hydroelectric

• Wind

• Solar

• Nuclear

Heating and cooling buildings by exchange with shallow groundwater systems is considered a form of ___ energy.  

• geothermal

• solar

• kinetic

• potential

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Which is NOT a way to conserve energy? 

• Using a desktop computer rather than a laptop

• Consolidating errands while to make fewer car tips 

• Replacing incandescent bulbs with compact fluorescent bulbs

• Lowering thermostats during cold months

What is and example of cogeneration?

• heat energy normally wasted is used to power a turbine

• a power plant that gets energy from both nuclear and hydroelectric

• a type of wind turbine that can be powered by wind or steam

• harvesting natural gas and petroleum from the same field

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