Test Bank for 21st Century Astronomy 4th Edition Kay

Test Bank




Test Bank

,CHAPTER 2: Patterns in the Sky—Motions of Earth


TRUE/FALSE

1. Constellations are arbitrary groupings of stars in the sky.

ANS: T DIF: Easy REF: Section 2.1 TOP: 1Ii
MSC: Factual

2. The meridian is half of an imaginary circle in the sky that passes through an observer’s zenith and both
celestial poles.

ANS: T DIF: Easy REF: Section 2.2 TOP: 2Iiv
MSC: Factual

3. Locations along the equator are the only place on Earth where you can see the entire celestial sphere
(during the day or night) over the course of 24 hours.

ANS: T DIF: Easy REF: Section 2.2 TOP: 2IIIi | 2IViii
MSC: Factual

4. If a star rises due east on the horizon, it will set due west on the horizon six hours later.

ANS: F DIF: Easy REF: Section 2.2 TOP: 2IVi
MSC: Applied

5. For an observer in the Northern Hemisphere, as he or she looks north, stars travel in a clockwise
direction around the north celestial pole over the course of the night.

ANS: F DIF: Easy REF: Section 2.2 TOP: 2IVi | 2IVii
MSC: Factual

6. Earth revolves around the Sun in the same direction Earth spins about its axis.

ANS: T DIF: Easy REF: Section 2.3 TOP: 3Iii
MSC: Factual

7. The seasons on Earth are caused by the change in distance between the Sun and Earth.

ANS: F DIF: Medium REF: Section 2.3 TOP: 3IIIii | 3IIIiii
MSC: Factual

8. The altitude of the Sun as it crosses the meridian changes during the year.

ANS: T DIF: Medium REF: Section 2.3 TOP: 3IIIiv
MSC: Factual

9. A person who lives at the equator will see the Sun directly overhead at noon every day of the year.

, ANS: F DIF: Medium REF: Section 2.3 TOP: 3IIIiv
MSC: Applied

10. On the autumnal equinox, the lengths of both day and night are 12 hours.

ANS: T DIF: Easy REF: Section 2.3 TOP: 3IIIv
MSC: Factual

11. The longest day of the year in the Northern Hemisphere occurs on the summer solstice.

ANS: T DIF: Easy REF: Section 2.3 TOP: 3IIIvi
MSC: Factual

12. When in the New Moon phase, the moon will be visible in the eastern sky at sunrise.

ANS: T DIF: Medium REF: Section 2.4 TOP: 4Ii | 4IIiv
MSC: Applied

13. The fact that we always see the same side of the Moon indicates that the Moon does not rotate about
an axis.

ANS: F DIF: Medium REF: Section 2.4 TOP: 4IIIii
MSC: Conceptual

14. When a solar eclipse occurs, the Sun lies between the Earth and Moon.

ANS: F DIF: Easy REF: Section 2.6 TOP: 6Iii
MSC: Conceptual

15. When a solar eclipse occurs, typically more people will witness it as a partial eclipse than as a total
eclipse.

ANS: T DIF: Medium REF: Section 2.6 TOP: 6Iii | 6IIIiv
MSC: Factual


MULTIPLE CHOICE

1. There are _________ constellations in the entire sky.
a. 12
b. 13
c. 88
d. hundreds of
e. thousands of
ANS: C DIF: Easy REF: Section 2.1 TOP: 1I
MSC: Factual

2. What defines the location of the equator on Earth?