The True Cause of Earth's Seasons

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Questions and Answers

Which hemisphere experiences winter in December?

  • Northern Hemisphere (correct)
  • Neither hemisphere
  • Both hemispheres
  • Southern Hemisphere

During which solstice is the sun farthest south?

  • Summer solstice in the Northern Hemisphere
  • Winter solstice in the Northern Hemisphere
  • Winter solstice in the Southern Hemisphere (correct)
  • Summer solstice in the Southern Hemisphere

During which equinox is the noon sun directly overhead at the equator?

  • Both equinoxes (correct)
  • Vernal (spring) equinox
  • Fall (autumnal) equinox
  • Neither equinox

Which hemisphere receives the most direct sunlight in December?

<p>Southern Hemisphere (B)</p> Signup and view all the answers

What marks the beginning of fall in the Northern Hemisphere?

<p>Fall (autumnal) equinox (C)</p> Signup and view all the answers

During which solstice is the sun farthest north?

<p>Summer solstice in the Northern Hemisphere (C)</p> Signup and view all the answers

What is the weather like in the Northern Hemisphere in December?

<p>Winter (B)</p> Signup and view all the answers

What is the weather like in the Southern Hemisphere in December?

<p>Summer (B)</p> Signup and view all the answers

What is the weather like in the Northern Hemisphere in March?

<p>Spring (A)</p> Signup and view all the answers

What is the weather like in the Southern Hemisphere in March?

<p>Summer (A)</p> Signup and view all the answers

Which of the following is the correct reason for the change in seasons?

<p>Earth's axis is tilted (C)</p> Signup and view all the answers

What would happen if the distance from the sun was the cause of seasons?

<p>People in the Northern and Southern hemispheres would have the same seasons at the same time (C)</p> Signup and view all the answers

What is Earth's axis?

<p>An imaginary line that passes through Earth's center and the North and South poles (C)</p> Signup and view all the answers

What causes day and night on Earth?

<p>Earth's rotation (A)</p> Signup and view all the answers

How long does it take Earth to rotate once on its axis?

<p>24 hours (C)</p> Signup and view all the answers

What is the motion of Earth around the sun called?

<p>Revolution (B)</p> Signup and view all the answers

What would happen if Earth did not rotate on its axis?

<p>There would be no day and night (B)</p> Signup and view all the answers

What would happen if Earth's axis was not tilted?

<p>There would be no seasons (A)</p> Signup and view all the answers

Why are summers generally warmer than winters?

<p>The tilt of Earth's axis (B)</p> Signup and view all the answers

Where on Earth is the tilt of Earth least likely to affect seasons?

<p>The equator (A)</p> Signup and view all the answers

Which motion causes day and night?

<p>Rotation (C)</p> Signup and view all the answers

Which motion causes the change in seasons?

<p>Revolution (B)</p> Signup and view all the answers

What is the most common calendar system today?

<p>Gregorian calendar (D)</p> Signup and view all the answers

Why is it generally warmer near the equator than near the poles?

<p>Due to the spread of sunlight (D)</p> Signup and view all the answers

What did the ancient Egyptians do to adjust their calendar?

<p>Added an extra 5 days at the end of the year (A)</p> Signup and view all the answers

What did the Romans do to adjust the Egyptian calendar?

<p>Added one day every four years (A)</p> Signup and view all the answers

What did Pope Gregory XIII do to adjust the Roman calendar?

<p>Dropped ten days from the year (B)</p> Signup and view all the answers

How does Earth's tilted axis affect the strength of sunlight in different places?

<p>It causes the sunlight to be less direct near the equator (A)</p> Signup and view all the answers

What causes summer in the Northern Hemisphere?

<p>Earth's tilt toward the sun (A)</p> Signup and view all the answers

What is the length of a year according to the most common calendar system?

<p>365 days (C)</p> Signup and view all the answers

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