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1 | |
As viewed from Earth, the Sun and all the planets appear to move |
| | A) | anywhere in the sky from east to west. |
| | B) | anywhere in the sky from west to east. |
| | C) | within a band sometimes, but not always. |
| | D) | within a narrow band across the sky. |
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2 | |
As viewed from Earth, the Sun moves completely around the ecliptic in one |
| | A) | day. |
| | B) | month. |
| | C) | year. |
| | D) | century. |
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3 | |
Earth's orbit is slightly elliptical, so it |
| | A) | always moves with a constant speed. |
| | B) | has a constant distance to the Sun. |
| | C) | has a variable speed at a distance that varies. |
| | D) | has a constant speed at a variable distance. |
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4 | |
Earth is closer to the Sun in |
| | A) | January. |
| | B) | March. |
| | C) | July. |
| | D) | September. |
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5 | |
As Earth moves around the Sun, it's axis |
| | A) | always points in the same direction. |
| | B) | changes direction every day. |
| | C) | changes direction every week. |
| | D) | changes direction every month. |
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6 | |
The beginning of a season can be recognized from |
| | A) | the shadow from a vertical stick at noon. |
| | B) | the altitude of the Sun at noon. |
| | C) | length of daylight period. |
| | D) | all of the above |
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7 | |
The shadow from a vertical stick can be used to |
| | A) | identify when local noon occurs. |
| | B) | follow the path of the Sun across the sky. |
| | C) | predict the number of hours of daylight. |
| | D) | all of the above |
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8 | |
A shadow from a vertical stick at noon is longer than on any other day during the |
| | A) | winter solstice. |
| | B) | spring equinox. |
| | C) | summer solstice. |
| | D) | fall equinox. |
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9 | |
Earth's North Pole is not pointing toward the Sun or away from the Sun during |
| | A) | summer solstice. |
| | B) | winter solstice. |
| | C) | spring equinox. |
| | D) | lunar first quarter. |
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10 | |
Earth is undergoing precession, which means |
| | A) | the months always occur in the same order. |
| | B) | a slow wobble with the axis moving in a circle. |
| | C) | hours, days, weeks, and months are all related. |
| | D) | the Earth moves faster in its orbit in July. |
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11 | |
Earth's axis of rotation identifies the |
| | A) | North and South Pole. |
| | B) | Seasons. |
| | C) | amount of solar energy reaching Earth's surface. |
| | D) | all of the above |
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12 | |
Earth's equator is a big circle that |
| | A) | runs through both ends of Earth's axis. |
| | B) | is exactly halfway between the North and South Pole. |
| | C) | is identified by hot, tropical climates. |
| | D) | moves north and south with the seasons. |
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13 | |
Where something is between the equator and pole on Earth's surface is identified as being on a (an) |
| | A) | meridian. |
| | B) | longitude. |
| | C) | latitude. |
| | D) | tropic. |
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14 | |
The equator serves as the reference point for latitude. What serves as the reference point for longitude? |
| | A) | equator |
| | B) | prime meridian |
| | C) | North Pole |
| | D) | South Pole |
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15 | |
Which of the following is most important in determining Earth's seasons? |
| | A) | how far or close Earth is to the Sun |
| | B) | inclination of axis to the plane of the ecliptic |
| | C) | rotation around the axis |
| | D) | revolution in a slightly elliptical orbit |
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16 | |
The Sun does not set at least one day south of the |
| | A) | Arctic Circle. |
| | B) | Antarctic Circle. |
| | C) | tropic of Cancer. |
| | D) | tropic of Capricorn. |
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17 | |
The Sun appears directly overhead during the course of the year between the equator and |
| | A) | 23.5° |
| | B) | 40.0° |
| | C) | 66.6° |
| | D) | 90.0° |
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18 | |
A clock is set to run on |
| | A) | apparent local solar time. |
| | B) | sidereal solar day. |
| | C) | apparent solar day. |
| | D) | mean solar time in the middle of 15° wide zones. |
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19 | |
Which standard is used to determine the calendar year? |
| | A) | tropical year |
| | B) | sidereal year |
| | C) | leap year |
| | D) | year of the monkey |
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20 | |
The phases of the Moon are a result of |
| | A) | lunar eclipse. |
| | B) | changing relative positions of Earth, the Moon, and the Sun. |
| | C) | solar eclipse. |
| | D) | earth eclipse. |
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21 | |
A total solar eclipse is |
| | A) | preceded by a partial eclipse only. |
| | B) | preceded and followed by a partial eclipse. |
| | C) | followed by a partial eclipse only. |
| | D) | Is neither preceded nor followed by a partial eclipse. |
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22 | |
How much time is required for the Moon to make one complete trip around Earth? |
| | A) | 12 h 25 min |
| | B) | 24 h 0 min |
| | C) | 24 h 50 min |
| | D) | 29.5 days |
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23 | |
The highest range of tides occurs at |
| | A) | full and new Moon phases. |
| | B) | quarter Moon phase. |
| | C) | when the Moon is farther from Earth. |
| | D) | when Moon and Earth are at right angle to the Sun. |
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24 | |
The International date line is the |
| | A) | 0° meridian. |
| | B) | prime meridian. |
| | C) | 180° meridian. |
| | D) | 90° meridian. |
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25 | |
The terms A.M. and P.M. are defined from |
| | A) | mean solar time. |
| | B) | apparent local noon. |
| | C) | sidereal day. |
| | D) | apparent solar day. |
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