Unit 6 Review Energy Flow

A home is built with clear glass panels that allow sunlight to pass through. This is an example of

• Active solar

• Passive solar

• Parabolic collector

• Photovoltaic Cells

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What is given off as the major waste product in a hydrogen fueled car?

• H₂

• O₂

• H₂O₂

• H₂O

The following are disadvantages of -

· Unpopular, generates protests

· Plants are $$$ to build because of legal challenges

· Potential for catastrophic meltdowns and accidents

· Possible terrorist targets

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy

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A wheel that changes the force of a moving gas or a liquid into energy

• Fossil Fuels

• Turbine

• Petroleum

• Oil Reserves

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Fuel cells that use a chemical reaction to generate electricity are using

• hydrogen gas

• methane gas

• water

• oil

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If a tractor trailer truck is 20% efficient, what happened to the other 80%

• energy is destroyed

• energy is lost as heat

• the 80% is still in the gas tank

• energy is converted into matter

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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.

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

• Biomass
• Nuclear
• Natural Gas
• Solar

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

• geothermal
• solar
• kinetic
• potential

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All of the following renewable resources are derived from the sun in some way EXCEPT

• biomass
• wind
• hydroelectric
• geothermal

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