What is an equinox?
Seasons #2

Flashcard
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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An equinox is a time of year when day and night are approximately equal in length, occurring twice a year when the sun is directly over the equator.
2.
FLASHCARD QUESTION
Front
What happens during an equinox?
Back
During an equinox, the sun is directly over the equator, resulting in nearly equal daylight and nighttime hours.
3.
FLASHCARD QUESTION
Front
What are the two equinoxes called?
Back
The two equinoxes are called the Vernal Equinox (around March 21) and the Autumnal Equinox (around September 23).
4.
FLASHCARD QUESTION
Front
What is a solstice?
Back
A solstice is a time of year when the sun reaches its highest or lowest point in the sky at noon, resulting in the longest or shortest day of the year.
5.
FLASHCARD QUESTION
Front
What causes the seasons on Earth?
Back
The seasons are caused by the tilt of the Earth's axis as it revolves around the sun.
6.
FLASHCARD QUESTION
Front
Which planets have shorter years than Earth?
Back
Mercury and Venus have shorter years, meaning they orbit the sun faster than Earth.
7.
FLASHCARD QUESTION
Front
What is the tilt of the Earth’s axis?
Back
The tilt of the Earth's axis is approximately 23.5 degrees, which affects the angle of sunlight received at different times of the year.
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