Which state sent more CO2, California or New York?

Grade level: 3rd – 5th grades

Skills: Bar graphs

Related environmental issues: Air / climate change

The bar graph below shows the 10 states that sent the most CO2 into the air in our nation in 2015.

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1. Which state sent more CO2 into the air, California or New York?

2. Which state sent less CO2 into the air, Texas or Pennsylvania?

3. How much more CO2 did California send into the air than Florida?

4. Which state sent 56 million tons more CO2 than Michigan?

5. Which sent send as much CO2 as Louisiana, Ohio, and Indiana combined?

Sources:U.S. Energy Information Administration, 2018

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Answer keys

  1. Califronia
  2. Pennsylvania
  3. 364 – 231 = 130
  4. 163 + 56 = 219  Illinois
  5. 218 + 215 + 188 = 621:  Texas

Which car is clearer – Ford F150, Toyota RAV4 or Honda Civic?

Grade level:  5th grades

Skills:  Multiplication and division (decimals)

Related environmental issues: Air / Climate change / Energy

Area level: National, State, Regional, Household

Burning gasoline in motor vehicles is one of the biggest causes of air pollution in the United States. How much gasoline your car uses is strongly connected to how dirty the air in your area is. The table below shows how many miles three cars can run on one gallon of gasoline. Those three cars are the top-8 best-selling vehicles during the first half of 2018 in the United States.

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1. Which car can go half as far as Honda Civic on one gallon of gasoline?

2. An average American drives 280 miles a week. How much gasoline does an owner of each car use on average?

3. Which car among the three is more environmentally friendly? Why? Explain.

4. If the price of gasoline today is $3 a gallon, how much money does an owner of each car need to spend for gasoline in a week on average?

5. Which car among the three would you like to by? Why? Explain.

Source: 1) Business Insider, 2018 2) fuel economy.gov, 2018 3) U.S. Department of Transportation Federal Highway Administration, 2018

Note: Average Annual Miles per Driver: 13,476 miles (U.S. Department of Transportation, 2018)


Answer Key

  1. Ford F150
  2. Ford F150: 280 ÷ 16 = 17.5 (gallons)   Toyota Rav 4: 280 ÷ 25 = 11.2 (gallons)   Honda Civic:  280 ÷ 32 = 8.75 (gallons)
  3. Honda Civic: It uses less gasoline and emits less air pollutants into the air.
  4. Ford F150: 17.5 x 3 = $52.5  Toyota Rav 4: 11.2 x 3 = $33.6  Honda Civic:  8.75 x 3 = $26.25
  5. Answers may vary