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Seventh Grade (Grade 7) Astronomy Questions

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Grade 7 Stars
Which is a method of measuring the distance to stars?
  1. parallax
  2. radar
  3. ultrasound
  4. none of the above
Grade 7 Sun
Which is the outer layer of the Sun's atmosphere?
  1. photosphere
  2. chromosphere
  3. corona
  4. core
Grade 7 Planetary Motion
What does the term tidally locked mean?
  1. An object's same side is always facing that larger object
  2. An object spins freely
  3. The object does not rotate
  4. None of the above
Grade 7 Planetary Motion
Why does the yellow habitable zone line change?
  1. This is because the habitable zone is closer when there is a hotter star
  2. This is because the habitable zone is closer when there is a cooler star
  3. It does not. The habitable zone is the same throughout the universe
  4. None of the above.
Grade 7 Outer Planets
How would the force of gravity between Neptune and the Sun be affected if Neptune were closer to the Sun?
  1. The force between the two would be less.
  2. The force between the two would be greater.
  3. The force between the two would disappear.
  4. The force between the two would not change.
Grade 7 The Moon
In what particular phase the Moon is during a solar eclipse?
  1. Full Moon
  2. Gibbous Moon
  3. New Moon
  4. Quarter Moon
Grade 7 Planetary Motion
Which is the best estimate of how frequently a total solar eclipse can be viewed from somewhere on Earth?
  1. once every 18 days
  2. once every 18 months
  3. once every 18 years
  4. once every 18 centuries
Grade 7 Planetary Motion
Which is the best estimate for how long totality lasts during a total solar eclipse?
  1. a few minutes
  2. a few hours
  3. a few days
  4. a few months
Grade 7 Inner Planets
Which is NOT a characteristic of Mercury?
  1. smallest planet
  2. closest planet to the Sun
  3. dwarf planet
  4. named after the Roman messenger god
Grade 7 Space Exploration
This type of telescope never has problems seeing through Earth's atmosphere. It uses lenses to enlarge an object.
  1. Earth-based telescope
  2. Reflecting telescope
  3. Refracting telescope
  4. Space-based telescope
Grade 7 Inner Planets
The sun is a star of average size and brightness. From the Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night?
  1. Daylight brightens the sun, making it appear larger
  2. Starlight bends as it passes planets, making stars appear smaller
  3. The sun is closer to Earth than other stars, making the sun appear larger
  4. Earth’s atmosphere filters out light from other stars, making them appear smaller
Grade 7 Sun
Which is the middle layer of the Sun's atmosphere?
  1. photosphere
  2. chromosphere
  3. corona
  4. core
Grade 7 Space Exploration
Why was Galileo put under house arrest by the Roman Catholic Church?
  1. He supported the idea that Earth was flat.
  2. He supported the idea that Earth orbited the Sun.
  3. He supported the idea that Mars orbited Earth.
  4. He was divorced.
Grade 7 Small Bodies and Dwarf Planets
The Perseid meteor shower occurs in January.
  1. True
  2. False
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