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Sixth Grade (Grade 6) Astronomy Questions

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Grade 6 Universe
What is a galaxy?
  1. a large group of stars held together by gravity
  2. a system of planets and its moons
  3. a system of planets orbiting a star
  4. a group of comets
Grade 6 Universe
Which statement is true about a light-year?
  1. It is a measure of time.
  2. It is a measure of distance.
  3. It takes one light-year for Earth to orbit the Sun.
  4. It is commonly used to measure distances in the solar system.
Grade 6 Sun
The chemical makeup of the Sun is mainly
  1. hydrogen and oxygen.
  2. oxygen and helium.
  3. hydrogen and helium.
  4. hydrogen, helium, and sulfate.
Grade 6 Planetary Motion
Grade 6 Inner Planets
Which planet is the hottest?
  1. Venus
  2. Mars
  3. Mercury
  4. Uranus
Grade 6 Outer Planets
Which statement about Neptune is true?
  1. Neptune has a ring system.
  2. Neptune has five known moons.
  3. Neptune is made entirely of gas.
  4. Neptune can be seen by eye on a clear night.
Grade 6 Solar System
Which of the following is NOT a planet?
  1. Earth
  2. Mars
  3. Uranus
  4. Nebula
Grade 6 The Moon
What is a moon?
  1. the natural satellite of Earth
  2. a natural satellite of any planet
  3. a small planet
Grade 6 Inner Planets
Grade 6 Sun
Closest to the center of the solar system is
  1. Earth.
  2. the Moon.
  3. the Sun.
  4. Jupiter.
Grade 6 Small Bodies and Dwarf Planets
What is the name for the area in between Mars and Jupiter?
  1. The Kuiper Belt
  2. The Asteroid Belt
  3. Nebula
  4. Ceres
Grade 6 Inner Planets
Grade 6 Planetary Motion
When can a solar eclipse occur?
  1. anytime
  2. during a new moon
  3. during a full moon
  4. during a quarter moon
Grade 6 Solar System
Which statement describes how the Sun and the planets of our solar system are related?
  1. Planets revolve around the Sun.
  2. The Sun revolves around the planets.
  3. Planets rotate on their axes.
  4. The Sun rotates on its axis.
Grade 6 Outer Planets
Uranus has moons.
  1. True
  2. False
Grade 6 Universe
What is the Milky Way?
  1. The way the planets orbit the Sun
  2. The galaxy of which the solar system is a part of
  3. A white star
Grade 6 Universe
Which put the following in order from biggest to smallest?
  1. Galaxy, Universe, Solar System, Star, Planet
  2. Universe, Solar System, Galaxy, Planet, Star
  3. Solar System, Universe, Galaxy, Star, Planet
  4. Universe, Galaxy, Solar System, Star, Planet
Grade 6 The Moon
Between which phases is the Moon waxing? Select TWO answers.
  1. full moon and third quarter moon
  2. first quarter moon and full moon
  3. new moon and first quarter moon
  4. third quarter moon and new moon
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