Textbook Question
A thermometer tells you that you have a fever of 38.5°C. What is this in Fahrenheit?
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20. Heat and Temperature
Temperature
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Why is it generally warmer at the equator than at the poles?
A
The equator is closer to the sun than the poles.
B
The equator has a thicker atmosphere that traps more heat.
C
The equator has more landmass, which absorbs more heat.
D
The equator receives more direct sunlight throughout the year.
Verified step by step guidance1
Understand that the Earth is a sphere, and the way sunlight hits the Earth varies depending on the location.
Recognize that at the equator, sunlight strikes the Earth more directly, meaning the sun's rays are more concentrated over a smaller surface area.
At the poles, sunlight arrives at a more oblique angle, spreading the same amount of energy over a larger area, resulting in less warming.
Consider the Earth's axial tilt, which causes variations in sunlight distribution throughout the year, but the equator consistently receives more direct sunlight.
Acknowledge that the atmosphere and landmass can influence local climates, but the primary reason for the equator's warmth is the directness of sunlight it receives.
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