Environmental Science – Second Semester Exam Study Guide

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Chapter 15:  Organic Fuels

  1.  fuel

  2.  organic fuel

  3.  fossil fuel

  4.  How is the energy in coal turned into electricity?

  5.  coal formation

  6.  petroleum formation

  7.  Compare peat, lignite, bituminous coal, and anthracite in terms of:

            carbon content, hardness, heat given off, efficiency, smoke production

  8.  What are some products produced from petroleum?

  9.  What is the relationship between porous rock and petroleum?

10.  Explain why natural gas is pretty efficient to use in home appliances.

11.  What environmental damage is caused directly by the exploration for and obtaining of fossil fuels?

12.  What political forces affect the supply of fossil fuels?

13.  How does the burning of fossil fuels endanger the environment?  (two answers)

14.  Biomass fuels are fuels formed from the products of living things.  They include methane, wood,

      garbage, alcohol, and others.  What are the advantages of using biomass fuels?

15.  Compare room and pillar mining with longwall mining.   methods?  efficiency?  cost?  ...

 

Chapter 16:  Nuclear Energy

1.  Study the diagram of a nuclear reactor, and explain how it works.  Be prepared to label its parts

2.  What are the benefits and risks associated with nuclear power plants?

3.  Concerning Chernobyl:  Where is it?  What happened?  When?  What is the situation there now?

4.  Concerning Three Mile Island:  Where is it?  What happened?  When?  What is the situation there now?

5.  What is the history of the nuclear plant at Clinton, Illinois?

6.  How widespread is nuclear energy in the United States and around the world?

7.  Why does France embrace nuclear energy?

 

Chapter 17:  Solar and Alternative Energy

  1.  What are the advantages and disadvantages of using solar energy?

  2.  What is the difference between passive and active solar energy systems?

  3.  Describe a design that would allow a house to get the most benefit from passive solar energy.

  4.  What are the main parts of an active solar energy system?  How do they work?

  5.  How is active solar energy used to heat a room?   to heat water for household use?

  6.  How are large solar arrays used to generate electricity?

  7.  What does a photovoltaic cell do?

  8.  What factors affect the energy output from a PV cell?

  9.  What is hydroelectric energy, and how is it generated?

10.  What are the advantages and disadvantages of hydroelectric power?

11.  How do dams benefit human society? 

12.  How do dams alter ecosystems?

13.  What is an aerogenerator?

14.  What are the advantages and disadvantages of using the wind to generate electricity?

15.  What are the two most common designs of aerogenerators?  Which is more efficient?

16.  What is geothermal energy?

17.  How is electricity generated using geothermal energy?

18.  What are the advantages and disadvantages of using geothermal energy?

 

Fuel Cell Unit:

  1.  How does a fuel cell generate electricity? (include information about hydrogen, oxygen, and electrons)

  2.  Why can a fuel cell run a model car when the solar panel in the kit couldn’t start the car?

  3.  Why did we use the solar panel?  Why wouldn’t fuel cell cars have solar panels?

  4.  Why doesn’t the model fuel cell lose its hydrogen when it isn’t connected to the car engine?

  5.  How would widespread use of fuel cells help the environment and our health?

  6.  How would use of fuel cells in cars save us money?

  7.  How would the development and spread of fuel cells help our country politically?

  8.  What other uses will fuel cells have besides powering our vehicles?

 

Biomass Fuels

1.  Name and give examples of the four categories of biomass fuels.  (two solids, liquid, gas)

2.  What are the sources of the four categories of biomass fuels.

3.  How would increasing the use of biomass fuels:

            a.  help the Illinois economy

            b.  improve soil and habitat

            c.  lower air, land, and water pollution

4.  We do use quite a bit of biomass already.

            a.  Which biomass fuels are being used?  for what?

            b.  What are the reasons why we aren’t using more biomass right now?

  

Chapter 19:  Land Pollution

  1.  How have garbage disposal methods changed over time?  Be specific.

  2.  Describe the parts and construction of a sanitary landfill.

            Why does it need:  liners, layers of soil, leachate collection pipes, methane vents?

  3.  What are hazardous wastes?

  4.  Name the six categories of hazardous wastes, explain how each one is dangerous, and list examples of  

       each.

  5.  What hazardous wastes do we have in our homes?  How can we get rid of them?

  6.  What is desertification, and how is it related to farming techniques?

  7.  Describe these soil-conserving farming methods and tell where each is useful:

            strip-cropping, contour farming, terracing, shelter belts

  8.  What are biodegradable wastes?

  9.  Describe these alternate methods of dealing with hazardous wastes:

waste exchange, deep-well injection, secure chemical landfills, controlled incineration,

chemical and biological treatment plants.

10.  What were the three main objectives of the 1980 law that was nicknamed Superfund?

11.  What type of Superfund sites are found commonly in Illinois?

12.  Concerning Yucca Mountain:

            a.  Where is it?

            b.  What does the government plan to do there?  Include material stored and design of the installation.

            c.  What are the planned safety measures?

            d.  What are the possible hazards?

            e.  What is being done with the waste right now?

 

 

 

Chapter 24:  Conservation and Recycling

1.       Americans have been wasteful over the years because we have lived by the frontier ethic.  What are its three main points?  (Remember that the opposite point of view is called the “sustainable ethic”.

2.       Describe five ways I can reduce the amount of waste my family sends to the landfill.

3.       Three IMPORTANT reasons to recycle as much material as possible are:

4.       Glass and metals can be recycled almost indefinitely, but paper can only be recycled a few times.  Why?

5.       Why is it important for us to buy products made of recycled material?

6.       What products contain:

a.       recycled plastic

b.       recycled paper

c.       recycled metal

d.       recycled glass

7.       What should be done with oil-based paints, herbicides, cleaning chemicals, batteries, antifreeze, etc.?

8.       If we don’t recycle plastics, what problems do the plastics cause?

  

Chapter 20:  Water Resources

  1.  potable water =

  2.  Compare the amount of water used in households with the water used by agriculture and industry.

  3.  Describe these types of irrigation, tell where each is useful, and identify how wasteful or efficient

       each one is:         flood, furrow, overhead, subirrigation

  4.  surface water

  5.  soil water

  6.  ground water

  7.  aquifer

  8.  water table

  9.  overdraft

10.  Draw a diagram that illustrates each of the terms 4-9 above.

11.  What problems are caused by overdraft?

12.  Discuss the Ogallala Aquifer.  Where is it?  What has been happening there?

       What is the outlook for this aquifer?

       Why is the Ogallala such an important aquifer?  How does it affect wildlife on the surface?

13.  What is desalination?  When or where is it used?

14.  Name and describe three methods of desalination.

15.  What is the purpose of water purification?

16.  In water purification, what is the role of:

       screens, chlorine or ozone, settling tanks, coagulants, filtering, aeration, fluoridation

17.  How are international politics involved in a nation’s water supply?  What disputes have been caused by

       water rights in the United States?  Give some specific examples.

18.  How can large dams have negative effects on a country?

19.  Why is there controversy over the building of the Three Gorges Dam in China?  What is the status of the

       dam at this time?

20.  How does increasing population affect water supply?

21.  How is a good water supply important to:  electric power plants, agriculture, industry (specific areas).

22.  Which states use the most water for irrigation?  What two types of irrigation are used most widely?

23.  List advantages of using subsurface drip irrigation.

 

RiverWatch

  1.  macroinvertebrate =

  2.  stream discharge =

  3.  sample =

  4.  MBI =

  5.  Why do we use macroinvertebrates as indicators of stream health?

  6.  What is the purpose of conducting RiverWatch on the same locations every year?

  7.  Which habitats are ideal for collecting macroinvertebrates?

  8.  What is a riffle?  a run?  a pool?  an undercut?   a reach?

  9.  Where does the RiverWatch data go?  Why?

10.  Name several macroinvertebrates from our list.

11.  How are our two stream sites related to each other?

 

Chapter 21:  Water Pollution

  1.  Explain what problems are caused by each of these types of water pollutants.    
       What are the major sources of each of these pollutants?

            sediments                                                        excess nutrients

            heavy metals                                                     radioactivity

            thermal pollution                                                toxic chemicals

            pathogens

    

  2.  Explain how a municipal sewage treatment plant works.

  3.  What did the Clean Water Act accomplish?

  4.  What pollutants are still problems in surface water systems in Illinois?

  5.  What is the biggest source of pollution in the state of Illinois?

  6.  Name some heavy metals that can be toxic in our water.

  7.  How does acid rain contribute to water pollution?

 

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