1 - Raleigh Charter High School



Multiple-Choice Questions

Chapter 9: Tides

1. A seiche wave is an example of what broader group of waves?

w. Free standing wave

x. Capillary wave

y. Tidal bore

z. Kelvin wave

2. Which of the following does not typically contribute to a seiche wave?

w. Seismic activity

x. Tides

y. Strong winds

z. Thermohaline circulation

3. In a narrow basin, such as the Bay of Fundy, how would the height of the water along an ideal nodal line change?

w. Increase

x. Decrease

y. It would not change

z. It would fluctuate up and down

4. The crest of a tide-generated wave in an open basin would follow what line?

w. Corange line

x. Cotidal line

y. Nodal line

z. Progressive line

5. Water in the south Pacific is driven rotationally by a progressive tide around what point?

w. Conode

x. Tidal center

y. Amphidromic point

z. Kelvin center

6. A rotary current is likely to be most prominent at which of the following locations?

w. Mexican coast

x. Hawaiian islands

y. East Madagascar coast

z. Baltic Sea

7. Which term refers to when the moon is between the earth and the sun.

w. Opposition

x. Conjunction

y. Perigee

z. Interogee

8. Which term refers to when the earth is between the moon and the sun.

w. Opposition

x. Conjunction

y. Perigee

z. Interogee

9. During an Opposition, what is the phase of the moon?

w. New moon

x. Full moon

y. Waxing Gibbous

z. Crescent

10. What is the approximate number of days for an anomalistic month?

w. 23.5 days

x. 26 days

y. 27.5 days

z. 12.5 days

11. At which sun phase is the sun over the equator and moving northward.

w. Autumnal Equinox

x. Vernal Equinox

y. Winter Solstice

z. Summer Solstice

12. At which sun phase is the sun at the farthest southern point in the sky above the Tropic of Capricorn.

w. Autumnal Equinox

x. Vernal Equinox

y. Winter Solstice

z. Summer Solstice

13. At which sun phase is the sun at the farthest northern point in the sky above the Tropic of Cancer.

w. Autumnal Equinox

x. Vernal Equinox

y. Winter Solstice

z. Summer Solstice

14. What is the difference in heights of successive high or low tides due to declination of sun and the moon

w. Semidiurnal inequality

x. Apogee inequality

y. Diurnal inequality

z. Perigee inequality

15. What kind of tide is common in the Gulf of Mexico?

w. Semidiurnal

x. Diurnal

y. Spring

z. Neap

16. How often does a spring tide occur?

w. Once every 2 weeks

x. Once per month

y. Once per year

z. Once per day

17. In what type of tide are the sun, Earth, and moon at a right angle?

w. Semidiurnal

x. Diurnal

y. Spring

z. Neap

18. What is another name for a mixed tide?

w. Semidiurnal

x. Diurnal

y. Spring

z. Neap

19. What type of tide is the most common type in the world?

w. Semidiurnal

x. Diurnal

y. Spring

z. Neap

20. When the sun, Earth, and moon are at a right angle, tidal range is…

w. Maximixed

x. Minimized

y. Not affected

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