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Answer Key

Grade 6 Science: Earth-Sun-Moon & Scale of Solar System

Teacher reference

1.
Earth’s rotation on its axis relative to the Sun
2.
about 24 hours
3.
the changing appearance of the Moon’s lit portion from Earth
4.
reflected sunlight
5.
Moon blocks sunlight from reaching part of Earth
6.
Earth’s shadow falls on the Moon
7.
Moon’s orbit is tilted relative to Earth-Sun line
8.
representing huge distances/sizes with smaller ratios
9.
Earth spins so locations face toward/away from the Sun
10.
we see different amounts of the sunlit side
11.
solar: Moon between Sun and Earth; lunar: Earth between Sun and Moon
12.
solar system distances using Earth–Sun distance as 1

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