Explain several conditions that will change the shape and force of a tsunami as it contacts the shoreline, and the effect that each condition will potentially have
What will be an ideal response?
ANSWER: A successful answer will include the cause and effect of at least three of the following:
- if the tsunami enters a bay or river mouth, the height of the wave will increase as the opening narrows
- tsunami waves change direction as they pass over shallow water and affect all sides of an island as a result
- as tsunami waves cross into shallow water they will react with the bottom and slow down, creating shorter waves
- shorter wavelengths in shallow water will result in increased wave height?
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Explain the association between tsunamis and earthquakes
Tsunamis can form in a variety of ways. Which of the following will NOT cause a tsunami?
A. asteroid impacts B. strong winds C. landslides D. volcanic eruptions E. earthquakes
Atoms of nonmetallic elements form covalent bonds, but they can also form ionic bonds. How is this possible?
A. An ionic bond results when a nonmetallic elements gains an electron from a metallic element. B. This happens when one of the bonded nonmetallic elements has a strong electronegativity. C. It happens when one of the nonmetallic elements loses an electron to become a positive ion. D. An ionic bond results when a nonmetallic elements loses an electron to a metallic element.
The Santa Ana winds bring hot, dry air to southern California.
a. true b. false