The True Cause of Earth's Seasons

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Questions and Answers

Which hemisphere experiences winter in December?

  • Northern Hemisphere (correct)
  • Southern Hemisphere
  • Both hemispheres
  • None of the above

During which solstice is the sun farthest north in the Northern Hemisphere?

  • Fall equinox
  • Spring equinox
  • Winter solstice
  • Summer solstice (correct)

Which hemisphere experiences summer in December?

  • Northern Hemisphere
  • Southern Hemisphere (correct)
  • Both hemispheres
  • None of the above

What happens during an equinox?

<p>Neither hemisphere is tilted toward the sun (B)</p> Signup and view all the answers

When does the vernal equinox occur?

<p>March 21 (C)</p> Signup and view all the answers

What is the longest day of the year in the Northern Hemisphere?

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

What happens during a solstice?

<p>The sun is farthest north or south (C)</p> Signup and view all the answers

What causes the seasons?

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

When is it winter in the Southern Hemisphere?

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

When is it summer in the Southern Hemisphere?

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

Which of the following is the correct cause of the changing seasons on Earth?

<p>Earth's tilt on its axis (C)</p> Signup and view all the answers

Why do summers generally tend to be warmer than winters?

<p>The Earth's tilt causes more direct sunlight during summers (A)</p> Signup and view all the answers

If Earth's distance from the sun was the cause of the changing seasons, what would be the expected scenario?

<p>Both hemispheres would have the same seasons at the same time (D)</p> Signup and view all the answers

What is the imaginary line passing through Earth's center and the North and South poles called?

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

What is the spinning of Earth on its axis called?

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

What is the main cause of day and night on Earth?

<p>Earth's rotation on its axis (D)</p> Signup and view all the answers

How long does it take for Earth to complete one rotation on its axis?

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

What appears to move across the sky due to Earth's motion?

<p>All of the above (D)</p> Signup and view all the answers

What causes the sun to appear to set in the west?

<p>Earth's rotation on its axis (C)</p> Signup and view all the answers

What would happen if sunlight could reach the side of Earth facing away from the sun?

<p>It would be nighttime on both sides of Earth (B)</p> Signup and view all the answers

Which motion causes day and night on Earth?

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

What is the main cause of the changing seasons on Earth?

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

What is the imaginary line passing through Earth's center and the North and South poles called?

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

When is it summer in the Northern Hemisphere?

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

What causes the sun to appear to set in the west?

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

Which hemisphere experiences winter in December?

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

What is the spinning of Earth on its axis called?

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

When does the vernal equinox occur?

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

What happens during a solstice?

<p>The sun is farthest north in the Northern Hemisphere (A)</p> Signup and view all the answers

Which hemisphere experiences summer in December?

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

Which motion causes day and night on Earth?

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

What causes the seasons?

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

What is the imaginary line passing through Earth's center and the North and South poles called?

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

When is it summer in the Northern Hemisphere?

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

When is it winter in the Southern Hemisphere?

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

What happens during an equinox?

<p>Day and night are equal in length (D)</p> Signup and view all the answers

What is the longest day of the year in the Northern Hemisphere?

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

Which hemisphere experiences winter in December?

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

When does the vernal equinox occur?

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

What is the main cause of day and night on Earth?

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

Why does the moon appear to have different shapes from Earth?

<p>The moon reflects light from the sun (B)</p> Signup and view all the answers

What is the name for the different shapes of the moon seen from Earth?

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

What is the name for the side of the moon that always faces away from Earth?

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

Why does the same side of the moon always face Earth?

<p>The moon revolves around Earth (B)</p> Signup and view all the answers

What is the name for the motion of the moon around Earth?

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

What is the name for the motion of the moon on its axis?

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

What is the most interesting event the author has seen in the sky?

<p>A lunar eclipse (D)</p> Signup and view all the answers

What is the source of the moon's light?

<p>The moon reflects light from the sun (D)</p> Signup and view all the answers

When is the moon bright enough to read by?

<p>When it is full (A)</p> Signup and view all the answers

What causes the different shapes of the moon seen from Earth?

<p>The moon's revolution (A)</p> Signup and view all the answers

Which of the following is true about the moon's rotation?

<p>The moon rotates on its axis at the same rate as Earth (D)</p> Signup and view all the answers

What causes the phases of the moon?

<p>The changing relative positions of the moon, Earth, and sun (A)</p> Signup and view all the answers

During which phase of the moon is the side facing Earth not lit?

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

What is the darkest part of the moon's shadow during a solar eclipse called?

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

Where can a total solar eclipse be seen?

<p>Only within the umbra (D)</p> Signup and view all the answers

What causes a lunar eclipse?

<p>Earth blocking sunlight from reaching the moon (C)</p> Signup and view all the answers

When can a total lunar eclipse be seen?

<p>When the moon is in Earth's umbra (B)</p> Signup and view all the answers

What is the main cause of the changing seasons on Earth?

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

What is the main cause of day and night on Earth?

<p>The rotation of Earth on its axis (D)</p> Signup and view all the answers

What is the imaginary line passing through Earth's center and the North and South poles called?

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

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