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Ninth Grade (Grade 9) Astronomy Questions

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Grade 9 Universe
The first elements made after the Big Bang were
  1. Hydrogen & Helium
  2. Hydrogen & Lithium
  3. Helium & Oxygen
  4. Helium & Argon
Grade 9 Inner Planets
When the solar system formed, which planets lost most of their gases to the sun?
  1. the inner planets
  2. the comets
  3. the outer planets
  4. the asteroids
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 Outer Planets
What is the name of the region where icy bodies that lie beyond Neptune's orbit?
  1. The Kuiper Belt
  2. The Oort Cloud
  3. The Outer Asteroid Belt
  4. All of the Above
Grade 9 Planetary Motion
Grade 9 Planetary Motion
Grade 9 Outer Planets
Io is a moon of
  1. Mars
  2. Venus
  3. Jupiter
  4. the moon
Grade 9 Astronomy
Grade 9 Stars
Which is NOT true about a protostar?
  1. It is usually much larger than it will be as a star
  2. It glows due to the heat of the gases in its core
  3. It may become a brown dwarf
  4. It generates pressure by fusing hydrogen
Grade 9 Stars
Which area of Earth science includes the study of stars?
  1. meteorology
  2. hydrology
  3. geology
  4. astronomy
Grade 9 Stars
The brightness of a star is called its
  1. redshift
  2. parallax
  3. variableness
  4. magnitude
Grade 9 Planetary Motion
The gravitational attraction between sun, moon, and Earth
  1. causes tides
  2. causes seasons to change
  3. causes a full moon
Grade 9 Inner Planets
Grade 9 Small Bodies and Dwarf Planets
Which of the following is NOT a possible source of meteoroids?
  1. solid remains of comets that once traveled near Earth's orbit
  2. gassy ices that were not incorporated into the planets
  3. material from the asteroid belt
  4. interplanetary rocks and metals that was not incorporated into the planets
Grade 9 Universe
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