HFST 1: Die Aarde se energiebalans
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Questions and Answers

What causes the seasonal variations experienced across the globe?

  • The Earth's rotation on its axis
  • The Earth's tilt and revolution around the Sun (correct)
  • The Earth's magnetic field
  • The Earth's distance from the Sun

During which season does a hemisphere experience longer days and more insolation?

  • Autumn
  • Winter
  • Spring
  • Summer (correct)

At what latitude does an equilibrium between energy gained and lost exist?

  • 37° (correct)
  • 90°
  • 45°
  • 0°

What force arises from the uneven heating of the Earth, causing air to move from high to low-pressure areas?

<p>Pressure Gradient Force (C)</p> Signup and view all the answers

Which force deflects winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere?

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

What marks the points in the Earth's orbit where one hemisphere is maximally tilted towards or away from the Sun?

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

Which currents move heat from the tropics towards the poles?

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

What system distributes heat across the planet, moderating temperature extremes and maintaining energy balance?

<p>&quot;Ocean Conveyor Belt&quot; (A)</p> Signup and view all the answers

What term is used to describe the solar energy that reaches the Earth's surface?

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

Why do regions within the tropics experience higher temperatures?

<p>Higher angle of incoming solar rays (A)</p> Signup and view all the answers

What happens to the Sun's energy at the poles due to atmospheric thickness?

<p>It gets scattered and reflected (C)</p> Signup and view all the answers

Which factor contributes to the higher temperatures experienced in tropical regions?

<p>Angle of incoming solar rays (C)</p> Signup and view all the answers

What is responsible for dispersing the Sun's energy over a larger area at the poles?

<p>Surface area coverage (B)</p> Signup and view all the answers

Why do reflective surfaces like ice and snow in polar regions lead to reduced heat absorption?

<p>They increase albedo effect (A)</p> Signup and view all the answers

How is the heat from incoming solar radiation re-radiated into the atmosphere?

<p>As long-wave infrared energy (C)</p> Signup and view all the answers

What is one reason for the uneven distribution of insolation across the planet?

<p>Varying angles of sunlight (D)</p> Signup and view all the answers

Which term describes the process where solar radiation is absorbed and then re-radiated back into space?

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

How does the albedo effect contribute to temperature variations on Earth?

<p>By reflecting more sunlight in tropical regions (A)</p> Signup and view all the answers

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