How much sea level rises?

Grade level: 3rd- 5th

Skills: Measurement ( Length )

Related environmental issues: Climate Change

Area level: Global

It is said that too much greenhouse gas in the atmosphere upsets the earth’s natural balance. One of the consequences of an excessive greenhouse gas in the atmosphere is sea level rise. Global sea level has kept rising, and the average sea level in the world rose by about 7 inches over the last 100 years. Scientists warn that it could rise by 4 feet by 2100, if we keep adding greenhouse gas to the atmosphere.

1.Which of these is about 4 feet long?

a.a crayon

b.a grasshopper

c.average height of a 3rd grader

d.height of refrigerator

2.Fill in the blanks.

4 feet is ____ feet and ____ inches longer than 7 inches.

3.Fill in the blanks.

4 feet = _____ yard _____ foot

Source: US EPA

Photo: WWF Canada

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Answer keys

  1. C) average height of a 3rd grader
  2. 3 feet 5 inches
  3. 1 yard 1 foot