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Eleventh Grade (Grade 11) Astronomy Questions

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Grade 11 Planetary Motion
A lunar eclipse may occur when
  1. the Earth is between the Sun and the Moon
  2. the Sun is between the Earth and the Moon
Grade 11 Outer Planets
A characteristic of the outer planets is
  1. they have many moons and rings
  2. they have rocky surfaces
  3. they are small in size
Grade 11 Planetary Motion
A solar eclipse may occur when
  1. the Moon is between the Earth and the Sun
  2. the Earth is between the Moon and the Sun
Grade 11 The Moon
How long does the lunar cycle last?
  1. 7 days
  2. 14.75 days
  3. 29.5 days
  4. 45 days
Grade 11 Sun
Sunspots seem to move across the surface of the Sun. This is evidence that
  1. the sun is hot
  2. the sun rotates
  3. there are solar eclipses
  4. the Earth revolves around the sun
Grade 11 Universe
What is the Hubble Tuning Fork?
  1. A tool used to fine-tune a telescope
  2. A machine that shows the elements of a star by looking at its light
  3. An instrument used to measure the distance between stars
  4. A diagram that show types of galaxies and how they evolve over time
Grade 11 Stars
When you view the Hertzprung-Russell diagram, which of the following is true for most stars? Select all that apply.
  1. Surface temperature increases as absolute magnitude increases
  2. It helps us measure the distance from Earth to a star.
  3. Most stars fall into the area called the main sequence.
  4. There is no pattern to where stars fall on the diagram.
Grade 11 Inner Planets
Venus has a surface temperature of about
  1. [math]375deg[/math] Celsius
  2. [math]475deg[/math] Celsius
  3. [math]125deg[/math] Celsius
  4. [math]250deg[/math] Celsius
Grade 11 Sun
How long does it take to complete the sunspot cycle?
  1. 29.5 days
  2. 24 months
  3. 11 years
  4. 22 years
Grade 11 Sun
The Sun is composed mainly of these two gases:
  1. hydrogen and helium
  2. oxygen and carbon dioxide
  3. nitrogen and oxygen
Grade 11 Sun
Where is most of the Sun's energy produced?
  1. in the corona
  2. in the photosphere
  3. in the core
Grade 11 The Moon
Why are temperatures so extreme on the Moon?
  1. it is far away from the Sun
  2. the wind is always blowing
  3. it has no atmosphere
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