Download Monday, April 20th CRCT Review-M4N1-4

Name: ________________________________________________________________ Astronomy Post Test (a)
1.
B
If you lived at point B on the diagram above, what
time of day would it be?
a) nighttime
c) daytime
b) sunrise
d) sunset
3. Both planets and stars can be seen in the night sky.
What is the main difference in the light we see from
the planets and the light we see from the stars?
a) There is no difference. Planets and stars both produce
their own light.
b) The light from the planets is reflected light from the
Sun and the light from the stars is actually produced by the
stars.
c) The light from the stars is reflected light from the Sun,
and the light from the planets is actually produced by the
planets.
d) There is no difference. The planets and stars both
reflect light from the Sun.
5. Which planet is the farthest from the Sun?
a) Saturn
b) Neptune
7.
a)
b)
c)
d)
c) Uranus
d) Jupiter
Why do we see phases of the moon?
because the Earth rotates
because the Moon rotates
because the Moon revolves around the Sun
because the Moon revolves around the Earth
2. Which of the following causes the change in
seasons on Earth?
a) the tilting of the Earth on its axis, and the Sun
revolving around Earth
b) the Earth revolving around the Sun, and the Moon
revolving around Earth
c) the spinning of Earth on its axis, and the Earth
revolving around the Sun
d) the tilting of Earth on its axis, and the
Earth revolving around the Sun
4.
Look at the diagram of the Earth above. Which
season is it in the northern hemisphere?
a) fall
b) winter
c) spring
d) summer
6. What is the smallest planet in our solar system?
a) Mercury
b) Earth
c) Mars
d) Venus
8. Why do the planets appear in different locations in
the night sky while the pattern of stars in a
constellation stays the same?
a) The planets give off their own light while the stars
do not.
b) The stars give off their own light while the planets
do not.
c) The planets orbit the Sun while the stars do not.
d) The stars orbit the Sun while the planets do not.
9. Irene looks outside her window to see a crescent
moon. Several days later, the Moon is gibbous. How
will the Moon appear in its next stage?
a) full
c) crescent
b) gibbous
d) completely dark
10. Which of the following about stars is true?
a) Stars vary greatly in size and color only.
b) Stars vary greatly in size, color, and temperature.
c) Stars vary greatly in size and temperature only.
d) Stars vary greatly in color and temperature only.
11.
12. Which motion takes about one year?
a) Earth rotating on its axis
b) the Sun revolving around Earth
c) Earth revolving around the Sun
d) the Moon revolving around Earth
This diagram shows the orbits of the solar system’s
inner planets. Which planet’s orbit is marked with an
X?
a) Mercury
c) Venus
b) Mars
d) Earth
14.
13.
Look at the diagram of the Earth above. What is
taking place in the part of Earth marked “X” ?
a) fall
c) night
b) spring
d) day
Which motion takes about one year?
a) Earth rotating on its axis
b) the Sun revolving around Earth
c) Earth revolving around the Sun
d) the Moon revolving around Earth
15. How long does it take the Moon to show all its
phases?
a) one day
b) one week
c) one year
d) one month
The table lists the diameters of some planets. Which
planet of the four is the SMALLEST?
a) Earth
b) Mars
c) Saturn
d) Neptune
16. An object that orbits a planet is called a
a) star.
b) white dwarf.
c) moon.
d) black hole.
17. The day during the year when the Northern
Hemisphere receives the greatest amount of sunlight
is called the
a) fall equinox.
b) spring equinox.
c) winter solstice.
d) summer solstice.
18. What causes moonlight?
a) burning gases on the Moon
b) heat from Earth
c) ice on one side of the Moon
d) reflected light from the Sun
19. The time it takes the Moon to go from a new
moon to a full moon and back to a new moon is about
a) 1 day.
b) 14 days.
c) 28 days.
d) 365 days.
20. The center of our solar system is
a) the Sun.
b) the North Star.
c) Earth.
d) the Moon.
21.
22. How many stars are in the sky?
a) hundreds
b) thousands
c) millions
d) too many to count
Which of the following is the next phase of the moon?
a)
b)
c)
d)
23. When looking at the night sky, why do planets
and stars look similar in size?
a) because the smaller stars are at a closer distance
b) because the larger stars are a further distance
away
c) because the larger planets are a closer distance to
the sun
d) because the smaller planets are at a further
distance away
24. To move around an object, such as the Earth
moving around the Sun, is to ________.
25. Gravity is _____________ on the Moon than the
Earth.
a) weaker
b) the same
c) stronger
d) heavier
26. The Sun’s main source of fuel is _____________.
a) enclose
b) revolve
c) reflect
d) gravitate
a) hydrogen
b) oxygen
c) nitrogen
d) helium
27. The inner planets are mostly ________________.
a) large
b) gas
c) cold
d) small and rocky
29. The hottest stars are ________________.
a) red
b) white
c) orange
d) blue
31. _________________ are the largest, actual objects in
the sky.
a) stars
b) meteors
c) planets
d) comets
28. ______________________ is a pattern or picture
outlined by stars that were used by farmers and
sailors long ago.
a) planets
b) meteors
c) comets
d) constellations
30. _____________________ are used to study stars
and galaxies, Galileo used the first one.
a) computers
b) satellites
c) telescopes
d) robots
32. Which motion takes about one day?
a) Earth rotating on its axis
b) the Sun revolving around Earth
c) Earth revolving around the Sun
d) the Moon revolving around Earth
33. All the following are examples of constellations except
for ___________________________.
35. All following are a type of star except for
______________________________.
a) Ursa Major
b) Ursa Mainor
c) Supernova
d) Cassiopeia
a) red giant
b) super giant
c) white dwarf
d) nebula
36. List the order of the planets’ orbits from the sun.
1st
5th
2nd
6th
3rd
7th
4th
8th