Sea Level Changes Quiz
Test your knowledge on the causes, effects, and facts about sea level changes around the world.
1. What is the primary cause of recent global sea level rise?
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Thermal expansion of seawater and melting of land ice
Increased rainfall
Volcanic eruptions
Plate tectonics
2. Which instrument is commonly used to measure sea level changes?
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Tide gauge
Barometer
Seismograph
Anemometer
3. Select all factors that contribute to sea level rise.
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Melting glaciers
Thermal expansion
Urbanization
Groundwater extraction
Other
4. Which region is most vulnerable to sea level rise?
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Small island nations
High mountain areas
Deserts
Inland forests
5. Match the following terms with their correct definitions.
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Rows
Definition
Expansion of water as it warms
Thermal expansion
Glacial melting
Storm surge
Land subsidence
Melting of large ice sheets and glaciers
Thermal expansion
Glacial melting
Storm surge
Land subsidence
Temporary rise in sea level due to storms
Thermal expansion
Glacial melting
Storm surge
Land subsidence
Sinking of land surface
Thermal expansion
Glacial melting
Storm surge
Land subsidence
6. Rate your understanding of how human activities affect sea level rise.
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No understanding
1
2
3
4
Expert understanding
5
1 is No understanding, 5 is Expert understanding
7. What is the approximate global average sea level rise per year over the past century?
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3 millimeters
30 centimeters
1 meter
10 meters
8. Which of the following are potential impacts of rising sea levels?
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Coastal flooding
Loss of habitat
Increased agricultural productivity
Saltwater intrusion
9. What actions can help mitigate sea level rise? (Select all that apply)
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Reducing greenhouse gas emissions
Planting mangroves
Building seawalls
Increasing fossil fuel use
10. In your own words, explain why monitoring sea level changes is important.
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