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Rotation/revolution/

Earth's rotation,revolution,and seasons

QuestionAnswer
. How is the length of a day determined? A) Distance from the Sun B) Period of revolution C) The tilt on its axis D) Period of rotation D
Earth rotates once on its axis _____. A) from west to east each year B) from west to east each day C) from east to west each year D) from east to west each day B
How long does it take for Earth to complete one full rotation? A) 1 year B) 12 hours C) 24 hours D) 365 days C
How long is Earth’s period of revolution? A) 12 hours B) 1 day C) 1 year D) 10 years C
Every four years an extra day is added to the calendar because _____. A)the Moon does not orbit Earth exactly once a month B)the exact period of Earth’s revolution is 365¼ days C)the Earth’s orbit is elliptical in shape B
Why is the Earth not exactly the same distance from the Sun during its revolution? A)The Moon pulls Earth farther from the Sun. B)The Sun pulls the Earth closer during the summer. C)Earth’s orbital shape is elliptical C
The tilt of Earth’s axis is one factor responsible for _____. A) the change between day and night B) the changing seasons C) solar eclipses D) lunar eclipses B
Why IS South Carolina’s temperature cooler in winter than in summer? A) more hours of sunlight in winter than summer. B)Earth is closer to the Sun during summer. C)This region receives less direct energy from the Sun in winter than in summer C
The number of daylight hours changes during the year because _____. A) Earth moves farther from the Sun B) Earth moves closer to the Sun C) Earth’s axis is tilted 23½ degrees D) Earth’s axis is tilted 45 degrees C
The ocean water near the equator absorbs more heat throughout the year than ocean water near the North Pole. Why? A)The equator is closer to the Sun. B)The equator has higher sea levels. C)The equator receives more direct sunlight C
Seasons on Earth are caused mainly by the _____. A) tilt of Earth on its axis B) distance between Earth and the Sun C) time required for Earth to rotate on its axis D) time required for Earth to revolve around the Sun A
Summer occurs on the hemisphere of Earth that is _____. A) turned away from the Sun B) turned toward the Sun C) tilted away from the Sun D) tilted toward the Sun D
Twice during the year, Earth’s axis is not tilted toward or away from the Sun. Which statement describes the length of day at every point during these two times? A) There are 24 hours of daylight. B) The length of day and night are about equal. B
In the N Hemi, why does the Sun looklower in the sky on A winter day and higher in the sky on summer day? A)The Northern Hemisphere is tipped away from the Sun during the summer. B) The Northern Hemisphere is tipped away from the Sun during the winter. B
Students read in the newspaper that there would be exactly 12 hours of daylight and 12 hours of darkness the next day. The next day is known as _____. A) an equinox B) an eclipse C) a solstice D) a season A
Which seasons of the year begin on a solstice? A) Spring and summer B) Summer and winter C) Winter and fall D) Fall and spring B