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Sixth Grade (Grade 6) Astronomy Questions

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Grade 6 Space Exploration
Telescopes that bend light to make objects seem larger are                      .
  1. refracting telescopes
  2. reflecting telescopes
  3. radio telescopes
  4. spectroscopes
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 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 Outer Planets
The outer planets are often called the                  .
  1. large comets
  2. gas giants
  3. asteroid belts
  4. none of the above
Grade 6 Inner Planets
What is the hottest planet in the solar system?
  1. Jupiter
  2. Mercury
  3. Venus
  4. Earth
Grade 6 Universe
The Milky Way is an example of a(n)
  1. solar system.
  2. spiral galaxy.
  3. exploding galaxy.
  4. nebula.
Grade 6 Planetary Motion
When the Sun, Moon, and Earth are aligned in a straight row, which tide will occur?
  1. spring tide
  2. no tide
  3. back tide
  4. neap tide
Grade 6 Planetary Motion
The orbits of the planets are                .
  1. circular
  2. elliptical
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 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 Solar System
Which of the following is NOT a planet?
  1. Earth
  2. Mars
  3. Uranus
  4. Nebula
Grade 6 Sun
Closest to the center of the solar system is
  1. Earth.
  2. the Moon.
  3. the Sun.
  4. Jupiter.
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 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
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