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Universe Questions - All Grades

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Grade 10 Universe
According to the Big Bang Theory, the universe is roughly how old?
  1. 13.8 thousand years old
  2. 13.8 million years old
  3. 13.8 billion years old
  4. 13.8 trillion years old
Grade 9 Universe
What is the name of a cloud of dust and gas held together by gravity?
  1. Nebula
  2. Oort cloud
  3. Galaxy
  4. Red giant
Grade 8 Universe
What unit of measurement is approximately equal to the distance between the Sun and Earth?
  1. astronomical unit
  2. light-year
  3. parsec
  4. arc second
Grade 10 Universe
Edwin Hubble helped provide evidence of the big bang theory by doing what?
  1. Building the Hubble telescope.
  2. Showing that galaxies are moving away from us, so the universe is expanding.
  3. Showing that some galaxies are getting closer to us, some are moving away.
  4. Discovering how to measure long distances.
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
What is the force that tends to pull together the matter in stars and planets?
  1. gravity
  2. nuclear fusion
  3. expansion
  4. nuclear fission
Grade 10 Universe
The                       is the most widely accepted theory for how the universe began.
  1. Plate Tectonic Theory
  2. Big Bang Theory
  3. Steady-State Theory
  4. Solar System Theory
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 8 Universe
A light year is a measurement of
  1. time.
  2. distance.
  3. temperature.
  4. star brightness.
Grade 6 Universe
The Milky Way is what type of galaxy?
  1. Elliptical
  2. Irregular
  3. Spiral
  4. Oval
Grade 6 Universe
The Big Bang Theory explains
  1. how the universe formed.
  2. the shape of Earth's orbit.
  3. why stars are found in galaxies.
  4. why planets stay in their orbits.
Grade 5 Universe
Which is the correct order of size, smallest first?
  1. Earth, Sun, Milky Way
  2. Earth, Milky Way, Sun
  3. Sun, Milky Way, Earth
  4. Sun, Earth, Milky Way
Grade 8 Universe
A unit of length equal to the distance that light travels through space in one year.
  1. Light-year
  2. Speed of light
  3. Galaxy
  4. Solar mass
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