Environmental Science Semester Review Pt 2

Energy can be classified into..

• Renewable and non renewable
  
• Natural and non renewable
• Renewable and Natural
  
• All of them

Which technology converts solar energy into electricity?

• Photovoltaic cells/ Solar panels
  
• Solar still
• Generator
• All of them
  

Why is solar energy considered renewable energy?

• It's cheaper than fossil fuels
• The sun's energy would not run out for billions of years
  
• Solar energy recharges batteries
• All of them

What are the following devices called?

• Turbines
• Mills
• Converters
• All of them
  

Are flammable and made from the remains of dead animals and plants

• Fossil fuels
  
• Minerals
  
• Rocks
• Biomass

Which is an example of biomass?
Hint: Bio= life

• Electricity
• Trees
• Wind
• Water

What is the disadvantage of coal?

• Air Pollution
• Not much left
• World does not use much
• It is only used to roast hot dogs

Which one is the cleanest fuel to burn? 

• gasoline
• coal
• natural gas
• wood

Which of the following is NOT an alternative energy source?

• fossil fuels
• geothermal energy
• hydroelectric energy
• wind energy

Why do we depend on fossil fuels? 

• Electricity, transportation, and heating
• Food
• Sunlight
• Growing, building muscle, calcium