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Ninth Grade (Grade 9) Universe Questions

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Grade 9 Universe
Grade 9 Universe
Grade 9 Universe
Grade 9 Universe
What were the first elements made after the Big Bang?
  1. Hydrogen & Helium
  2. Hydrogen & Lithium
  3. Helium & Oxygen
  4. Helium & Argon
Grade 9 Universe
How long ago did the Big Bang happen?
  1. 10,000 years ago
  2. 13.7 billion years ago
  3. 13.7 million years ago
  4. 13.7 trillion years ago
Grade 9 Universe
A galaxy that is moving toward Earth will show
  1. a decrease in brightness.
  2. an increase in light years.
  3. a blueshift in the spectrum.
  4. a redshift in the spectrum.
Grade 9 Universe
What is a light-year?
  1. 365 days
  2. distance light travels in a year
  3. distance from the Sun to Earth
  4. amount of light produced by the Sun in a year
Grade 9 Universe
What is the leading explanation about how the universe began?
  1. Multiverse Theory
  2. Big Bang Theory
  3. Hubble Theory
  4. Interstellar Medium
Grade 9 Universe
Grade 9 Universe
In redshift, the wavelengths of light become
  1. faster.
  2. longer.
  3. shorter.
  4. slower.
Grade 9 Universe
Which set of terms is arranged from smallest to largest?
  1. galaxy, star, cluster, supercluster
  2. star, supercluster, cluster, galaxy
  3. galaxy, supercluster, star, cluster
  4. star, galaxy, cluster, supercluster
Grade 9 Universe
The Milky Way galaxy is a(n)
  1. spiral galaxy.
  2. elliptical galaxy.
  3. irregular galaxy.
  4. barred spiral galaxy.
Grade 9 Universe
The distance that light travels in one year is
  1. a parsec.
  2. an arcsecond.
  3. a light-year.
  4. an astronomical unit.
Grade 9 Universe
About how long ago was the "Big Bang"?
  1. 10 million years ago
  2. 2 billion years ago
  3. 14 billion years ago
  4. 20 billion years ago
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