Multiple Choice
According to Newton's Law of Gravity, what primarily causes the different seasons on Earth?
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8. Centripetal Forces & Gravitation
Newton's Law of Gravity
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Which of the following is the cause for the different seasons on Earth?
A
The tilt of Earth's axis relative to its orbit around the Sun
B
The varying distance between Earth and the Sun during the year
C
The rotation of Earth on its axis
D
The gravitational pull of the Moon on Earth
Verified step by step guidance1
Understand that the primary cause of the different seasons on Earth is the tilt of Earth's axis relative to its orbit around the Sun. This tilt is approximately 23.5 degrees.
Recognize that as Earth orbits the Sun, the tilt causes different parts of Earth to receive varying amounts of sunlight at different times of the year.
During summer in the Northern Hemisphere, the North Pole is tilted toward the Sun, resulting in longer days and more direct sunlight, which causes warmer temperatures.
Conversely, during winter in the Northern Hemisphere, the North Pole is tilted away from the Sun, leading to shorter days and less direct sunlight, which results in cooler temperatures.
The varying distance between Earth and the Sun during the year has a minimal effect on the seasons, and the rotation of Earth on its axis and the gravitational pull of the Moon are not responsible for the seasonal changes.
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