1) Which of the following is most responsible for Earth’s day/night cycle? a) Earth’s revolution b) the tilt of Earth’s axis c) Earth’s rotation d) the moon’s gravity 2) True or False? Colder temperatures in winter are due to the Earth being farther away from the Sun. a) True b) False 3) Earth completes one trip around the Sun in about a) one rotation b) one season c) one year d) one ecllipse 4) Earth has seasons because a) of Earth’s rotation b) the distance between Earth and the Sun changes c) the temperature of the Sun changes d) Earth’s axis is tilted as it moves around the Sun 5) When the north end of Earth’s axis is tilted toward the Sun, North America will experience a) more direct sunlight and shorter days b) more direct sunlight and longer days c) more indirect sunlight and shorter days d) more indirect sunlight and longer days 6) Earth’s rotation takes about a) 1 year b) 6 months c) 24 hours d) 1 month 7) A summer solstice occurs when a) neither end of Earth’s axis is tilted away from the Sun b) a hemisphere experiences its longest daylight hours of the year c) daylight hours are equal to darkness hours d) Earth’s axis is parallel to the Sun’s rays 8) Which of the following statements best explains why the tilt of Earth on its axis causes summer to be warmer than winter in the Northern Hemisphere? a) The warm ocean currents flow from the tropics to the Northern Hemisphere in the summer. b) The rays of the Sun strike the Northern Hemisphere more directly in the summer. c) The greenhouse effect increases in the Northern Hemisphere in the summer. d) The Northern Hemisphere is closer to the Sun in the summer. 9) In one year, Earth completes 365 a) solstices b) revolutions c) roatations d) equinoxes 10) What season does the Southern Hemisphere experience when Earth and the Sun are in the positions shown? a) fall b) spring c) summer d) winter

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