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Eighth Grade (Grade 8) Planetary Motion Questions

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Grade 8 Planetary Motion

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Which statement best describes tides experienced on Earth when the Sun, Moon, and Earth are positioned as shown in the diagram?
Spring Tide
  1. very high, high tides; very low, low tides
  2. very high, high tides; average low tides
  3. average high tides; very low, low tides
  4. average high tides; average low tides
Grade 8 Planetary Motion
Grade 8 Planetary Motion
Grade 8 Planetary Motion
Which statement is true about the solar system diagram shown?
Solar System
  1. It shows the geocentric model.
  2. It shows the heliocentric model.
  3. It shows the Ptolemaic system.
  4. It shows the ancient Greek model.
Grade 8 Planetary Motion
Which of the following is NOT an accurate statement about our solar system?
  1. All of the planets revolve around the Sun.
  2. All of the planets revolve in elliptical orbits.
  3. All of the planets revolve at the same speed.
  4. All of the planets revolve around the Sun in the same direction.
Grade 8 Planetary Motion
Grade 8 Planetary Motion
Grade 8 Planetary Motion
The Moon's shadow falling on Earth causes a
  1. full moon.
  2. new moon.
  3. lunar eclipse.
  4. solar eclipse.
  5. none of the above
Grade 8 Planetary Motion
The spin of Earth is known as
  1. revolution.
  2. rotation.
  3. evolution.
  4. seasonal.
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 Planetary Motion
What causes the apparent movement of the Sun across the sky during the day on Earth?
  1. revolution of Earth in its orbit
  2. rotation of Earth on its axis
  3. location of Earth in space
  4. objects are moving around Earth
Grade 8 Planetary Motion
What shape does an ellipse most resemble?
  1. circle
  2. triangle
  3. oval
  4. sphere
Grade 8 Planetary Motion
Earth's axis is tilted with respect to Earth's orbit at an angle of
  1. 90 degrees.
  2. 45 degrees.
  3. 23.4 degrees.
  4. 5.5 degrees.
Grade 8 Planetary Motion
Grade 8 Planetary Motion
During the December solstice, the
  1. Southern Hemisphere has winter.
  2. Western Hemisphere has summer.
  3. Southern Hemisphere has summer.
  4. Northern Hemisphere has summer.
Grade 8 Planetary Motion
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