Understanding Equinoxes

What is an equinox?

• A moment when the Sun is above the Equator

• A time when day and night are of unequal length

• A season change

• A celestial event

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When does the March equinox occur?

• March 21

• September 23

• June 21

• December 21

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What does the March equinox signal in the Northern Hemisphere?

• Start of spring

• Start of autumn

• Start of summer

• Start of winter

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What happens during the September equinox?

• The Sun crosses the celestial Equator going south

• The Sun is directly above the Equator

• The days are longer than the nights

• The seasons change

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How many equinoxes occur each year?

• Two

• One

• Four

• Three

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What is the meaning of the word 'equinox'?

• Equal night

• Equal day

• Equal season

• Equal time

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What is the effect of the Sun's rays during the equinox?

• They are centered on the Equator

• They are focused on the poles

• They are scattered

• They are blocked

What does the September equinox mark in the Southern Hemisphere?

• Start of spring

• Start of autumn

• Start of summer

• Start of winter

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Which of the following is the reason that Earth experiences seasons?

• Earth's tilt on its axis

• The revolution of Earth around the Sun

• The rotation of Earth on its axis

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How many types of Solstices are there?

• 4

• 2

• 1

• 3

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