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Twelfth Grade (Grade 12) Astronomy Questions

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Grade 12 Stars
What else can the H-R Diagram tell us besides the luminosity and temperature?
  1. Size, color and element make up
  2. Location and distance from Earth
  3. Constellation structures
  4. None of the above
Grade 12 Stars
Which of the following best describes a star?
  1. It composed of rock and metal with a very high density.
  2. It rotates on an axis and revolves around the Sun.
  3. It is too big to be an asteroid, but too small to be a planet.
  4. It is composed of gases that emit light due to nuclear reactions.
Grade 12 Sun
What is the hottest layer of the Sun?
  1. Convection Zone
  2. Core
  3. Corona
  4. Radiation Zone
Grade 12 Sun
The middle layer of the Sun is called                .
  1. Convection Zone
  2. The Core
  3. The Corona
  4. Radiation Zone
Grade 12 Planetary Motion
Which of the following relationships is being described in Kepler's third law of planetary motion?
  1. Shape of orbit and location of the Sun
  2. Orbital velocity and position in orbit
  3. Distance from the Sun and length of year
  4. Path of epicycle and position of the planets
Grade 12 Planetary Motion
For Kepler, what is the shape of the paths of planets surrounding the Sun?
  1. circles
  2. ellipses
  3. parabolas
  4. straight lines
Grade 12 Planetary Motion
Term used to describe the shape of Earth's orbit around the Sun.
  1. obliquity
  2. eccentricity
  3. equinox variant
  4. linear degradation
  5. linear orbit
Grade 12 Space Exploration
National Aeronautics and Space Administration, or NASA is the agency dedicated to exploring space and represents which of the following country/ies?
  1. Germany and Russia
  2. United States
  3. European Union
  4. United States and Canada
Grade 12 Stars
What are the three types of galaxies?
  1. spiral, elliptical, and ambiguous
  2. spiral, elliptical, and irregular
  3. whirlpool, ellipse, and irregular
  4. none of the above
Grade 12 Planetary Motion
What is unusual about the orbits of Neptune and Pluto?
  1. Pluto is sometimes nearer the Sun than is Neptune.
  2. They occasionally have near collisions.
  3. Their years have the same length.
  4. They are always on opposite sides of the Sun from each other.
Grade 12 Planetary Motion
What object orbits Earth in both the geocentric and the heliocentric models of our solar system?
  1. the Sun
  2. the Moon
  3. the asteroid belt
  4. Haley's comet
Grade 12 Stars
Based on the Hertzsprung-Russell Diagram below, Sirius can be classified as a                     .
  1. cool and bright star
  2. cool and dim star
  3. hot and bright star
  4. hot and dim star
Grade 12 Sun
The outer layer of the Sun's atmosphere is called                .
  1. Chromosphere
  2. Corona
  3. Photosphere
  4. Radiation Zone
Grade 12 Sun
Where is the energy being produced in the Sun?
  1. Convection Zone
  2. Core
  3. Corona
  4. Radiation Zone
Grade 12 Sun
The Sun is mostly made out of what?
  1. helium
  2. hydrogen
  3. ron
  4. water
Grade 12 Universe
What is the importance of the conclusion of the plasma Universe to the creation of greater complexity?
  1. Cooling of the universe allowed atoms to form
  2. Human life started thousand years later
  3. Gravitational pull was formed
  4. Formation of energy sources in the universe
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