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Eighth Grade (Grade 8) Astronomy Questions

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Grade 8 Planetary Motion
If it is summer in the Northern Hemisphere, which statement is true?
  1. Earth has changed the tilt of its axis by 20 degrees due to its revolution.
  2. It is winter in the Southern Hemisphere due to the tilt of Earth's axis.
  3. It is summer in the Southern Hemisphere due to the tilt of Earth's axis.
  4. Earth has reached its closest point to the Sun due to its revolution.
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
Grade 8 The Moon
What phase of the Moon is larger than a semi-circle, but not a complete circle of light?
  1. Gibbous Moon
  2. New Moon
  3. Crescent Moon
  4. Three Quarter Moon
Grade 8 Small Bodies and Dwarf Planets
Pluto is an example of a(n)
  1. dwarf planet.
  2. inner planet.
  3. outer planet.
  4. planetesimal.
Grade 8 The Moon
What results when the Moon is in Earth's umbra?
  1. a partial lunar eclipse
  2. a partial solar eclipse
  3. a total solar eclipse
  4. a total lunar eclipse
Grade 8 Stars
Which two elements are the main composition of a star?
  1. Carbon Dioxide & Nitrogen
  2. Hydrogen & Boron
  3. Nitrogen & Helium
  4. Helium & Hydrogen
Grade 8 Universe
Which is not a type of galaxy?
  1. spiral
  2. elliptical
  3. regular
  4. irregular
Grade 8 Stars
The apparent magnitude of a star is a measure of its
  1. surface temperature and composition.
  2. distance from Earth.
  3. brightness as it appears from Earth.
  4. position on the H-R diagram.
Grade 8 Inner Planets
What is Earth's tilt on its axis?
  1. About 23.5 degrees
  2. About 60.7 degrees
  3. About 26.6 degrees
  4. About 80.4 degrees
Grade 8 The Moon
The phase of the Moon that follows the waning gibbous is called the
  1. first quarter.
  2. third quarter.
  3. new moon.
  4. full moon.
Grade 8 Outer Planets
Which of the following planets is the largest?
  1. Mercury
  2. Earth
  3. Jupiter
  4. Neptune
Grade 8 Stars
Which of the following can be created from the death of a supergiant star?
  1. white dwarf star
  2. black hole
  3. protostar
  4. nebula
Grade 8 Stars
What is a spectroscope used for?
  1. Analyze what elements a star contains
  2. Measure the distance to stars
  3. Measure a star's temperature
  4. Make distant objects appear closer
Grade 8 Planetary Motion
What shape does an ellipse most resemble?
  1. circle
  2. triangle
  3. oval
  4. sphere
Grade 8 The Moon
According to the collision theory, the Moon is made                                                                        .
  1. of material both from an object that struck Earth and from Earth itself
  2. only of material from a large object that struck Earth
  3. only of material thrown off from Earth itself
  4. only of ice contained in ancient meteoroids
Grade 8 The Moon
How many phases in the lunar cycle?
  1. 12
  2. 6
  3. 3
  4. 8
Grade 8 Sun
What stage of stellar evolution is the Sun experiencing at this time?
  1. giant
  2. white dwarf
  3. protostar
  4. main sequence
Grade 8 Inner Planets
Mars is                 than Earth.
  1. smaller
  2. larger
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