The video explains the causes of day and night, focusing on Earth's rotation and revolution. Earth's rotation, taking 24 hours, causes day and night by exposing different parts of the planet to sunlight. The axial tilt of 23.5 degrees results in varying day lengths. Earth's revolution around the sun, taking 365 days, leads to the four seasons. The video concludes with a call to subscribe for more educational content.

What is the primary cause of day and night on Earth?

• The Earth's revolution around the sun

• The Earth's rotation on its axis

• The distance of the Earth from the sun

• The tilt of the Earth's axis

How long does it take for the Earth to complete one full rotation?

• 24 hours

• 365 days

• 30 days

• 12 hours

In which direction does the Earth rotate?

• East to West

• West to East

• North to South

• South to North

What is the duration of one complete revolution of the Earth around the sun?

• 24 hours

• 12 months

• 30 days

• 365 days

What phenomenon is primarily caused by the Earth's revolution around the sun?

• Eclipses

• Tides

• Seasons

• Day and night

If the Earth's axis were perpendicular to its orbital plane, what would be the result?

• Continuous daylight on one side

• Longer nights in winter

• No change in seasons

• Equal day and night everywhere

What is the tilt angle of the Earth's axis?

• 15 degrees

• 23.5 degrees

• 30 degrees

• 45 degrees

How does the tilt of the Earth's axis affect day and night?

• It causes continuous daylight at the poles

• It has no effect on day and night

• It results in varying lengths of day and night

• It causes equal day and night everywhere

Which of the following is NOT a season caused by the Earth's revolution?

• Summer

• Autumn

• Monsoon

• Winter

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