What state generates the third largest amount of electricity from wind in the United States?

Grade level: 4th – 6th grades

Skills: Number comparison / Subtraction (4-digit numbers)

Related environmental issues: Energy

The map below shows the top 5 states that generate the largest amount of electricity from wind.

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  1.  What state generates the largest amount of electricity from wind in the United States?
  2. What state generates the third largest amount of electricity from wind in the United States?
  3. How much more electricity does Iowa generate from wind than California?
  4. How much more electricity does Oklahoma generate from wind than Kansas?

 

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Answer keys

  1. Texas
  2. Oklahoma
  3. 2,537 MW (8,422 – 5,885 = 2,537)
  4. 2,409MW (8,072 – 5,663 = 2,409)

How extreme can ocean waves be?

Grade level: 4th – 6th grades

Skills: Measurement (Length) 

Related environmental issues: Climate Change

A research found that extreme ocean winds and wave heights have been increasing around the world over the last 30 years. The researchers warned that we would see more serious and frequent coastal flooding in the future if this trend continues.

  1. During extreme storms, ocean waves can be 20 meters high. 1 meter is equal to 3.28 feet. What is the wave height in feet?
  2. The height of each story of building is around 14 feet. The height of the extreme is as tall as how many story building?

 

 

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Answer keys

  1. 65.6 feet (20 x 3.28 = 65.6)
  2. 5 story building (65.6 ÷ 14 = 4.69)