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6th Grade Astronomy Unit Test
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1.
Which object is a meteor?
a. Object 1
b. Object 2
____
____
2. One rotation of Earth on its axis takes
a. 1 day
b. 1 week
c. Object 3
d. Object 4
c. 1 month
d. 1 year
3. What keeps planets within the solar system?
a. The elliptical motion of the planets around c. The magnetic field surrounding the Sun
the Sun
b. The gravitational force between the
d. The electromagnetic radiation from the
planets and the Sun
Sun
____
4.
In which position is the northern hemisphere experiencing winter?
a. Position 1
b. Position 2
____
5. Which of the following correctly lists the structures in space from smallest to largest?
a. Star, Galaxy, Solar System, Universe
c. Star, Solar System, Universe, Galaxy
b. Star, Solar System, Galaxy, Universe
____
c. Position 3
d. Position 4
d. Star, Universe, Solar System, Galaxy
6.
Based on the information, which object is most likely an asteroid?
a. Object 1
c. Object 3
b. Object 2
d. Object 4
____
7. Which statement describes the location of our Sun in the universe?
a. Our Sun orbits Earth in the Andromeda
c. Our Sun is the center of a solar system n
galaxy
the Milky Way galaxy.
b. Our Sun orbits Earth in the Milky Way
d. Our Sun is the center of a solar system in
galaxy.
the Andromeda galaxy.
____
8. Which diagram shows a total solar eclipse?
____
a.
c.
b.
d.
9. Which planet takes the most time to revolve around the sun?
a. Mercury
c. Earth
b. Venus
d. Mars
____ 10. An objected composed mostly of ice is orbiting the sun in an elliptical path. This object is most likely a(n)
a. planet
b. asteroid
c. meteor
d. comet
____ 11.
Based on the diagram, which of the following best represents how the Moon would appear as seen from
Earth?
a.
c.
b.
d.
____ 12. The diagram below shows a picture of the solar system with Earth as its center.
Which Theory best supports the diagram shown above?
a. Copernicus Theory
b. Heliocentric Theory
____ 13. universe
a.
b.
c. Geocentric Theory
d. Universe Theory
c.
d.
____ 14. Andy lives in the Southern Hemisphere. What season does he most likely experience in August?
a. Spring
b. Summer
c. Winter
d. Fall
____ 15. From Earth, we see the sun in the day sky and other stars in the night sky. Nighttime stars look like tiny points
of light.
Which statement explains why nighttime stars appear so much smaller than the sun?
a. The stars are much smaller
b. The sky is much darker at night
c. The stars are much farther away
d. The moon blocks out most sunlight
____ 16. The sun is an average yellow star in the Milky Way galaxy, the Milky Way galaxy is described as
a. a drawf galaxy
b. a spiral galaxy
c. an elliptical galaxy
d. an irregular galaxy
____ 17. Which arrangement below of the Sun, Moon, and Earth could cause a lunar eclipse?
____ 18.
a.
c.
b.
d.
The diagram below shows a picture of the solar system with the sun as its center.
Which theory supports the diagram shown above?
a. Geocentric Theory
b. Ptolemy theory
c. Telegraphic Theory
d. Heliocentric Theory
____ 19.
What phase of the moon is shown in the picture?
a. Full
b. New
c. Quarter
d. Crescent
____ 20.
The galaxies pictured above would best be described as
a. Barred Galaxies
b. Spiral Galaxies
Short Answer
21.
c. Irregular Galaxies
d. Symmetrical Galaxies