What state reduced the use of fossil fuels the most to reduce CO2 emissions?

Grade level: 4th – 6th grades

Skills: Bar graphs 

Related environmental issues: Climate Change

The United States depends on fossil fuels (coal, natural gas, and petroleum) for electricity generation. When burned, fossil fuels emit carbon dioxide (CO2).  The United States has tried to reduce the use of  fossil fuels to reduce CO2 emissions.  The bar graph below shows the five states that reduced CO2 emissions the most per person by reducing the use of fossil fuels in the United States in 2015.

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  1. Which state reduced the third largest CO2 per person by reducing the use of fossil fuels in the United States in 2015?
  2. Which state reduced emissions by between 15 and 20 metric tons by person?
  3. Which state reduced about twice as much CO2 as Indiana by person?
  4. Alaska reduced  ____ metric tons more CO2 per person than Nevada.   A) 6  B) 11 C) 18 D)23

 

Sources: U.S. Energy Information Administration, Energy-Related Carbon Dioxide Emission by State, 2000-2015 (Table 5) 

 

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Answer keys

1. West Virginia

2. Wyoming

3. Alaska

4. B

What state generates the largest solar power in the United States?

Grade level: 5th – 6th grades

Skills: Circle graph & Fraction 

Related environmental issues: Renewable Energy

The circle graph below shows how much solar power was generated from the top five solar power generating states in the United States in December, 2017.

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  1. What state generated larger amount of solar power than the rest of the states combined?
  2. What state generated as much solar power as North Carolina?
  3. What state generated one seventh as much solar power as California?
  4.  What state generated one fourth as much solar power as North Carolina and Arizona combined?

Sources: U.S. Energy Information Administration, 2018. Electric Power Monthly (Table 1.17.A. Net Generation from Solar Photovoltaic)

 

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Answer keys

1. California

2. Arizona

3. Nevada    42 ÷ 7 = 6

4. Texas    8 + 8 = 16    16 ÷ 4 = 4