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1 | |
The earth is undergoing a combination of how many different motions? |
| | A) | zero |
| | B) | one |
| | C) | three |
| | D) | seven |
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2 | |
In the Northern Hemisphere, city A is located a number of miles north of city B. At 12:00 noon in city B, the Sun appears directly overhead. At this very same time, the Sun over city A will appear |
| | A) | to the north of overhead. |
| | B) | directly overhead. |
| | C) | to the south of overhead. |
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3 | |
The earth as a whole receives more solar energy during what month? |
| | A) | January |
| | B) | March |
| | C) | July |
| | D) | September |
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4 | |
During the course of a year and relative to the Sun, Earth's axis points |
| | A) | always toward the Sun. |
| | B) | toward the Sun half the year and away the other half. |
| | C) | always away from the Sun. |
| | D) | toward the Sun for half a day and away from the Sun the other half. |
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5 | |
If you are located at 20°N latitude, when will the Sun appear directly overhead? |
| | A) | never |
| | B) | once a year |
| | C) | twice a year |
| | D) | four times a year |
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6 | |
If you are located on the equator (0° latitude) when will the Sun appear directly overhead? |
| | A) | never |
| | B) | once a year |
| | C) | twice a year |
| | D) | four times a year |
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7 | |
If you are located at 40°N latitude, when will the Sun appear directly overhead? |
| | A) | never |
| | B) | once a year |
| | C) | twice a year |
| | D) | four times a year |
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8 | |
During the equinoxes |
| | A) | a vertical stick in the equator will not cast a shadow at noon. |
| | B) | at noon the Sun is directly overhead at 0° latitude. |
| | C) | daylight and night are of equal length. |
| | D) | All of the above are correct. |
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9 | |
Evidence that the earth is rotating is provided by |
| | A) | varying lengths of night and day during a year. |
| | B) | seasonal climatic changes. |
| | C) | stellar parallax. |
| | D) | a pendulum. |
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10 | |
In about 12,000 years, the star Vega will be the North Star, not Polaris, because of Earth's |
| | A) | uneven equinox. |
| | B) | tilted axis. |
| | C) | precession. |
| | D) | recession. |
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11 | |
The significance of the tropic of Cancer (23.5°N latitude) is that |
| | A) | the Sun appears directly overhead north of this latitude some time during a year. |
| | B) | the Sun appears directly overhead south of this latitude some time during a year. |
| | C) | the Sun appears above the horizon all day for 6 months during the summer north of this latitude. |
| | D) | the Sun appears above the horizon all day for 6 months during the summer south of this latitude. |
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12 | |
The significance of the Arctic circle (66.5°N latitude) is that |
| | A) | the Sun appears directly overhead north of this latitude some time during a year. |
| | B) | the Sun appears directly overhead south of this latitude some time during a year. |
| | C) | the Sun appears above the horizon all day at least one day during the summer. |
| | D) | the Sun appears above the horizon all day for 6 months during the summer. |
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13 | |
In the time 1:00 P.M. the P.M. means |
| | A) | "past morning." |
| | B) | "past midnight." |
| | C) | "before the meridian." |
| | D) | "after the meridian." |
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14 | |
Clock time is based on |
| | A) | sundial time. |
| | B) | an averaged apparent solar time. |
| | C) | the apparent local solar time. |
| | D) | the apparent local noon. |
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15 | |
An apparent solar day is |
| | A) | the interval between two consecutive local solar noons. |
| | B) | about four minutes longer than the sidereal day. |
| | C) | of variable length throughout the year. |
| | D) | All of the above are correct. |
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16 | |
The time as read from a sundial is the same as the time read from a clock |
| | A) | all the time. |
| | B) | only once a year. |
| | C) | twice a year. |
| | D) | four times a year. |
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17 | |
You are traveling west by jet and cross three time zone boundaries. If your watch reads 3:00 P.M. when you arrive, you should reset it to |
| | A) | 12:00 noon. |
| | B) | 6:00 P.M. |
| | C) | 12:00 midnight. |
| | D) | 6:00 A.M. |
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18 | |
If it is Sunday when you cross the international date line while traveling westward, the next day is |
| | A) | Wednesday. |
| | B) | Sunday. |
| | C) | Tuesday. |
| | D) | Saturday. |
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19 | |
What has happened to the surface of the Moon during the last 3 billion years? |
| | A) | heavy meteorite bombardment, producing craters |
| | B) | widespread lava flooding from the interior |
| | C) | both widespread lava flooding and meteorite bombardment |
| | D) | not much |
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20 | |
If you see a full moon, an astronaut on the Moon looking back at Earth would see a |
| | A) | full Earth. |
| | B) | new Earth. |
| | C) | first quarter Earth. |
| | D) | last quarter Earth. |
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21 | |
A lunar eclipse can occur only during the moon phase of |
| | A) | full moon. |
| | B) | new moon. |
| | C) | first quarter. |
| | D) | last quarter. |
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22 | |
A total solar eclipse can occur only during the moon phase of |
| | A) | full moon. |
| | B) | new moon. |
| | C) | first quarter. |
| | D) | last quarter. |
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23 | |
A lunar eclipse does not occur every month because |
| | A) | the plane of the Moon's orbit is inclined to the ecliptic. |
| | B) | of precession. |
| | C) | Earth moves faster in its orbit when closest to the Sun. |
| | D) | Earth's axis is tilted with respect to the Sun. |
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24 | |
The least range between high and low tides occurs during |
| | A) | full moon. |
| | B) | new moon. |
| | C) | quarter moon phases. |
| | D) | an eclipse. |
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2002 McGraw-Hill Higher Education