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Q4T4 Part 1
Test Description: Space Test
Instructions: Answer all questions to get your test result.
1) Which of these objects is the largest?
A
Earth
B
Sun
C
Milky Way Galaxy
D
Hailey's Comet
2) Scientists once believed that the structure of the universe had changed very little. Which statement best supports the theory that the universe is constantly changing?
A
Earth and other planets move around the Sun.
B
Other planets in the solar system have more moons than Earth
C
The average distance between galaxies is increasing
D
More galaxies other than the Milky Way have been discovered
3) In 2004 the Hubble space telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure?
A
solar system
B
galaxy
C
nebula
D
black hole
4) Astronomers measure distances using very large units called light years. Which distance between celestial objects would most likely be measured in light years?
A
distance between the Moon and Earth
B
distance between two stars in the same galaxy
C
distance between two planets in the same solar system
D
distance between the Sun and Earth
5) A student observes a glowing band across the night sky. This glowing band is most likely
A
light from stars in a distant galaxy.
B
an asteroid orbiting the Sun.
C
orbiting planets in the solar system.
D
a partial view of the Milky Way galaxy.
6) What type of galaxy is the Milky Way?
A
spiral
B
elliptical
C
oval
D
irregular
7) Structures in the universe are grouped into large systems, each of which are made up of smaller systems. Which of the following is the largest system of which Earth is only a very small part?
A
Halley’s comet
B
Jovian planets
C
Milky Way galaxy
D
Orion’s belt
8) An object has passed near Earth many times on a cycle that repeats about every 75 years. Which statement best describes this object?
A
It is classified as a small moon of Earth due to its frequent return orbit.
B
It is considered part of a dwarf planet subsystem with Pluto and Ceres.
C
It is one of several comets in the solar system that orbits that Sun.
D
It is an asteroid since it spends part of its time between Mars and Jupiter.
9) Great distances in space are measured in
A
megameters.
B
astronomical units.
C
kilometers.
D
light years.
10) Phobos is one of two large objects that orbit the planet Mars. Because Phobos orbits Mars, Phobos should be classified as which type of body?
A
asteriod
B
meteoroid
C
comet
D
moon
11) Which gas present in the atmosphere of Mars is the primary gas found in the atmosphere of Earth?
A
methane
B
nirogen
C
carbond dioxide
D
argone
12) 12. How many times does the Moon rotate on its axis during a lunar month?
A
one
B
two
C
four
D
three
13) The Moon is in orbit around Earth. What keeps the Moon from changing its orbit?
A
weight
B
rotation
C
gravity
D
friction
14) The planets in the Solar System revolve around the Sun because the Sun is
A
older than other objects in the Solar System.
B
the strongest source of gravity in the Solar System.
C
made of hydrogen and helium.
D
the source of most heat and light energy.
15) Which of the following allows the planets to stay in orbit?
A
the Moon’s gravity
B
the Sun’s gravity
C
magnetism
D
rotation
16) A “shooting star” is
A
asteriod
B
small star
C
meteor
D
comet
17) Which of these locations in the solar system contains the most asteroids?
A
between Mars and Jupiter
B
the surface of the Sun
C
the ring system of Saturn
D
between Mercury and Venus
18) Over the past few centuries, comets have occasionally been observed in the sky. What is one difference between comets and the Moon?
A
Comets collect debris as they travel in space, while the Moon gives off meteoroids.
B
Comets have large orbits around the Sun, while the Moon orbits Earth.
C
The Moon reflects light from the Sun, while comets generate their own light.
D
The Moon has a core of ice, while comet cores are solid rock.
19) Which of these best describes when a lunar eclipse will occur?
A
when Earth is between the Moon and the Sun
B
when the Sun is between Earth and the Moon
C
when the Moon passes between Earth and the Sun
D
when Earth is at a 90° angle to the Moon and the Sun
20) Which moon phase occurs approximately 14 days after a full moon
A
first quarter
B
new moon
C
waning crescent
D
waxing gibbous
*select an answer for all questions
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