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Eighth Grade (Grade 8) Planetary Motion Questions

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Grade 8 Planetary Motion
The point in its orbit at which a planet is furthest away from the Sun.
  1. perihelion
  2. aphelion
  3. elliptical
  4. None of the above
Grade 8 Planetary Motion
Which of the following are not true about Orbital Motion?
  1. Changing velocity on y axis due to gravity
  2. Changing velocity on x axis
  3. Throw an object faster, and it will travel farther while it falls
  4. All of the above are true about orbital motion
Grade 8 Planetary Motion
How many times is Neptune far from Uranus than Mercury is from Venus?
  1. Over three times
  2. Over five times
  3. Over thirty times
  4. none of the above
Grade 8 Planetary Motion
Which of the following is NOT true of the orbits of the planets around our Sun?
  1. If you were to look down on the north pole of the sun, all of the planets would be moving in a clockwise direction
  2. Neptune takes 165 Earth years to make a single orbit around the sun
  3. Mercury has the shortest year- only 88 Earth days
  4. the planets all revolve around the sun (more or less) in the same plane
Grade 8 Planetary Motion
Earth rotates on its axis from
  1. west to east.
  2. east to west.
  3. north to south.
  4. south to north.
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