Tsunami Dynamics Worksheet
Explore the causes, characteristics, and impacts of tsunamis with this Grade 9 science worksheet.
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Tsunami Dynamics Worksheet
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Read each question carefully and provide your best answer. Use complete sentences where appropriate.
1. What is the primary cause of most tsunamis?
Strong winds
Underwater earthquakes
High tides
Volcanic eruptions on land
2. In deep ocean, how do tsunami waves typically behave?
They are very tall and slow.
They are short and fast.
They are tall and fast.
They are short and slow.
3. A tsunami is a series of ocean waves caused by large-scale of the sea floor, most commonly due to underwater earthquakes.
4. As a tsunami approaches the coast, its speed and its height .
5. Describe the 'drawback' phenomenon that can occur before a tsunami strikes land.
6. Explain the difference between a tsunami and a regular ocean wave generated by wind.
7. All underwater earthquakes cause tsunamis.
True
False
8. Tsunamis are often called 'tidal waves' because they are related to tides.
True
False
9. Observe the tsunami cross-section below. Label the following parts: wave crest, wave trough, wavelength, and wave height. Indicate where the tsunami speeds up and slows down.
