1) Earth spins at a very constant and regular speed. How long does it take for Earth to make one complete rotation? a) 24 hr b) 24 days c) 365 hr d) 365 days 2) Blanca observes that the Moon appears to move across the night sky. Which of the following explains why the Moon appears to move? a) the Moon’s rotation on its axis b) Earth’s rotation on its axis c) the Moon’s orbit around the Sun d) Earth’s revolution around the Sun 3) Which phase of the Moon best describes what Penelope can expect to see next? a) first-quarter moon b) full moon c) new moon d) third-quarter moon 4) Which phase of the Moon can be seen by people on Earth? a) first-quarter moon b) full moon c) new moon d) third-quarter moon 5) How long does it take for the Moon to complete all of its phases? a) about one day b) about one week c) about one month d) about one season 6) The picture below shows one of the phases of the Moon. Which phase of the moon will happen next? a) first-quarter moon b) third-quarter moon c) full moon d) new moon 7) Curtis made a diagram of the phases of the Moon. How should Curtis label the phases of the Moon, beginning with the new moon? a) new moon, first-half moon, full moon, new moon  b) new moon, third-quarter moon, half moon, full moon c) new moon, first-quarter moon, full moon, half moon d)  new moon, first-quarter moon, full moon, third-quarter moon

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