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WorksheetsSun and Stars- Regents
Total questions: 17
Worksheet time: 23mins
Name
Class
Date
1.
How many days are required for the Moon to complete a cycle of phases from the new Moon position represented in the diagram to the new Moon the following month?
a)
2.2d
b)
27.3d
c)
29.5d
d)
365.26d
2.
Which statement best explains why some constellations are not seen during all four seasons?
a)
Earth revolves around the Sun
b)
Constellations revolve around the Sun
c)
The Moon revolves around Earth
d)
The Sun revolves around the center of the Milky Way
3.
To a nighttime observer on Earth, how many degrees do the stars appear to move around Polaris in 3 hours?
a)
60°
b)
45°
c)
3°
d)
15°
4.
Which sequence of stars is listed in order of increasing luminosity?
a)
Spica, Rigel, Deneb, Betelgeuse
b)
Polaris, Deneb, 40 Eridani B, Proxima Centaurri
c)
Barnards Star, Alpha Centauri, Rigel, Spica
d)
Procyon B, Sun, Sirius, Betelgeus
5.
Base your answer to the question on the map of the night sky below, which represents the apparent locations of some of the constellations that are visible to an observer at approximately 40° N latitude at 9 p.m. in April. The point directly above the observer is labeled zenith.
Which motion causes the constellation Leo to no longer be visible to an observer at 40º N in October?
Which motion causes the constellation Leo to no longer be visible to an observer at 40º N in October?
a)
spin of the constellation on its axis
b)
revolution of the constellation around the Sun
c)
spin of Earth on its axis
d)
revolution of Earth around the Sun
6.
Base your answer on the diagram below, which represents Earth in its orbit around the Sun. The position of Earth on the first day of each season is labeled A, B, C, and D.
Which event is caused by Earth's revolution?
Which event is caused by Earth's revolution?
a)
the apparent shift in the path of a Foucault pendulum
b)
deflection of planetary winds to the right in the Northern Hemisphere
c)
the apparent rising and setting of the Sun
d)
different constellations observed in the night sky throughout the year
7.
Which observation provides the best evidence that Earth revolves around the Sun?
a)
The constellation Orion is only visible in the night sky for part of the year.
b)
The North Star, Polaris, is located above the North Pole for the entire year.
c)
The Sun appears to move across Earth’s sky at
d)
The Coriolis effect causes Northern Hemisphere winds to curve to the right.
8.
Energy is produced within a star's core by the process of
a)
insolation
b)
conduction
c)
nuclear fusion
d)
radioactive decay
9.
To an observer on Earth, the Sun appears brighter than the star Rigel because the Sun is
a)
hotter than Rigel
b)
more luminous than Rigel
c)
closer than Rigel
d)
larger than Rigel
10.
During a total solar eclipse one might view
a)
sun spots
b)
the sun's corona
c)
the sun's solar winds
d)
nothing of the sun, since it is totally blocked by the moon
11.
Which star is cooler and less luminous than the Sun?
a)
Proxima Centuri
b)
Pollux
c)
Rigel
d)
40 Eridani B
12.
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
a)
Polaris
b)
Betelgeuse
c)
Procyon B
d)
Sirus
13.
Which two stars are most similar in luminosity?
a)
Betelgeuse and Bernard's Star
b)
Procyon B and Proxima Centauri
c)
Polaris and the Sun
d)
Alpha Centauri and Sirius
14.
Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?
a)
As temperature decreases, luminosity increases
b)
As temperature decreases, luminosity remains the same.
c)
As temperature increases, luminosity increases.
d)
As temperature increases, luminosity remains the same.
15.
Compared with our Sun, the star Betelgeuse is
a)
smaller, hotter, and less luminous
b)
smaller, cooler, and more luminous
c)
larger, hotter, and less luminous
d)
larger, cooler, and more luminous
16.
Barnard's Star has a surface temperature of about
a)
300ºC
b)
3000ºC
c)
5000ºC
d)
10,000ºC
17.
Compared to the luminosity and surface temperature of red main sequence stars, blue supergiants are
a)
less luminous and have a lower surface temperature
b)
less luminous and have a higher surface temperature
c)
more luminous and have a lower surface temperature
d)
more luminous and have a higher surface temperature
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