Earth's Axis and Revolution (Grade 11 NSC Matric Geography): Quizzes
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10 questions from this quiz
Why does the sun produce short-wave radiation while Earth emits long-wave radiation?
Why does the sun produce short-wave radiation while Earth emits long-wave radiation?
Sun is hotter (~6,000°C) vs Earth (~15°C)
Which process transfers heat when water vapor condenses in the atmosphere?
Which process transfers heat when water vapor condenses in the atmosphere?
Latent heat release
What two factors determine how much solar radiation a location receives?
What two factors determine how much solar radiation a location receives?
Day length & sun angle
At what angle do the sun's rays provide maximum heating per square meter?
At what angle do the sun's rays provide maximum heating per square meter?
90° (directly overhead)
How long does Earth take to complete one full orbit around the sun?
How long does Earth take to complete one full orbit around the sun?
Approximately 365.25 days
What is the tilt of Earth's axis that remains constant as it orbits the sun?
What is the tilt of Earth's axis that remains constant as it orbits the sun?
23.5°
On which dates do solstices occur each year?
On which dates do solstices occur each year?
21 June & 21 December
How long are day and night everywhere on Earth during equinoxes?
How long are day and night everywhere on Earth during equinoxes?
12 hours each
At what angle is the sun above the Tropic of Capricorn on 21 December?
At what angle is the sun above the Tropic of Capricorn on 21 December?
90°
What daylight pattern can polar regions experience during their summer?
What daylight pattern can polar regions experience during their summer?
24 hours of daylight