5.1 Review CC Question Preview (ID: 43888)
Earth's Day-Year-Seasons.
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Luis created a clay model of Earth. To show how Earth rotates, Luis wants to use a toothpick to represent Earth’s axis of rotation. Where should Luis place the toothpick?
a) horizontally through Earth in the direction of Earth’s orbit
b) horizontally through Earth from one side of the equator to the other side
c) diagonally across Earth, halfway between the equator and the two poles
d) vertically through the center of Earth, slightly to the side of each pole
Vesna is studying how Earth’s tilt results in seasonal differences in sunlight and day length. She drew a diagram of Earth to show how it is tilted on its axis. What angle should Vesna add?
a) 23.5 degrees
b) 30 degrees
c) 45 degrees
d) 32.5 degrees
The Northern Hemisphere receives more solar energy during one half of the year than it does during the other half of the year. Which of the following happens during the year to explain this?
a) The angle that Earth is tilted on its axis changes.
b) The angle at which sunlight reaches the Northern Hemisphere changes.
c) The amount of energy that is produced by the sun changes.
d) The distance of the Northern Hemisphere from the sun changes.
Which of the following is a common characteristic of winter compared to summer?
a) higher daytime temperatures
b) more daily hours of sunlight
c) longer days and shorter nights
d) noon sun lower in the sky
How do the temperatures at Earth’s equator compare to the temperatures at the poles, during the year?
a) The equator is generally cold.
b) The poles are generally warm.
c) There is less variation in temperature at the equator.
d) There is more variation in temperature at the equator.
What two factors impact the length of a season?
a) Earth’s tilt relative to the moon and Earth’s rotational speed
b) Earth’s tilt relative to the sun and the other planets in the solar system
c) Earth’s tilt relative to the sun and Earth’s position in its orbit around the sun
d) Earth’s rotational speed and Earth’s position in its orbit around the sun and stars
Kevin travels from the U.S. to Australia for the winter, but when he gets there it feels more like summer. Which of the following explains this?
a) The Southern Hemisphere is tilted towards the sun, so it is summer in Australia.
b) The Northern Hemisphere is experiencing the vernal equinox.
c) The Southern Hemisphere is experiencing the autumnal equinox.
d) The Southern Hemisphere is tilted away from the sun, so it is summer in Australia.
How long does it take Earth to complete one orbit around the sun?
a) 1 day
b) 365 1/4 days
c) 27 days
d) 60 days
When it is winter, the United States receives the least direct solar energy, as compared to the rest of the year. Why does this happen?
a) The Northern Hemisphere is closer to the sun.
b) The Northern Hemisphere is farther from the sun.
c) The Northern Hemisphere is tilted away from the sun.
d) The Northern Hemisphere is tilted toward the sun.
Which question should you ask to find out the length of a planet’s year?
a) How long does it take the planet to orbit the sun?
b) How large is the planet?
c) How much does the planet tilt on its axis of rotation?
d) How long does it take the planet to rotate on its axis?
During equinox, the sun’s rays strike Earth at a 90-degree angle along the equator. What is the result of the equinox?
a) the hours of daylight are longer than the hours of darkness
b) the hours of darkness are longer than the hours of daylight
c) an unseasonably warm day in the midst of winter
d) the hours of daylight and the hours of darkness are about the same
What would happen if the time it took for Earth to make one rotation around its axis increased?
a) A day would be shorter.
b) A day would be longer.
c) A year would be longer.
d) A year would be shorter.
In addition to changes in the number of hours of daylight, what other factor contributes to Earth’s seasons?
a) time of the day
b) angle of the sun’s radiation
c) energy as heat from the moon
d) warm air blowing from the oceans
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