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Sixth Grade (Grade 6) Universe Questions

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Grade 6 Universe
The geocentric theory states that
  1. stars are moving away from Earth.
  2. only the Moon revolves around Earth.
  3. all planets revolve around the Sun.
  4. all objects revolve around Earth.
Grade 6 Universe
How do astronomers classify galaxies? Select all that are correct.
  1. by size
  2. by shape
  3. by distance from Sun
  4. by location in the sky
  5. by symmetry
  6. by light-years
Grade 6 Universe
Who thought Earth was the center of the universe?
  1. Ptolemy
  2. Copernicus
  3. Galileo
Grade 6 Universe
If the universe expands forever
  1. the universe will collapse.
  2. the universe will repeat itself.
  3. the universe will remain the same.
  4. the stars will age and die and the universe will become cold and dark.
Grade 6 Universe
Of galaxies listed in the answer choices, which is the closest to the Milky Way Galaxy?
  1. Andromeda Galaxy
  2. Canis Major Dwarf Galaxy
  3. Large Magellanic Cloud
  4. Small Magellanic Cloud
Grade 6 Universe
How do scientists measure the distance between galaxies?
  1. Light-years
  2. A tape measure
  3. A ruler
  4. Paces
Grade 6 Universe
Choose the FALSE statement about the Milky Way Galaxy.
  1. It is a barred spiral galaxy.
  2. It is billions of years old.
  3. It contains billions of stars.
  4. It is actually a cluster of galaxies.
Grade 6 Universe
In the 1920s,                showed that other galaxies exist besides our own.
  1. Sally Ride
  2. Don Winget
  3. Jocelyn Bell
  4. Edwin Hubble
Grade 6 Universe
                is when the universe formed.
  1. Big Bang
  2. Big Crunch
  3. Explosion
Grade 6 Universe
Why do galaxies appear to move away from each other?
  1. Galaxies are spinning.
  2. The universe is expanding.
  3. Others move closer together.
  4. Stars still are being born.
Grade 6 Universe
About how many stars does the Milky Way Galaxy contain?
  1. 900 thousand
  2. 300–500 million
  3. 200–400 billion
  4. 2 trillion
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