The Tilt of the Earth

The video explains the causes of Earth's seasons, focusing on the tilt of the Earth and its revolution around the Sun. It details how the tilt affects the amount of sunlight different parts of the Earth receive throughout the year, leading to the four seasons. Key events like the summer solstice, autumnal equinox, winter solstice, and vernal equinox are discussed, highlighting their significance in the Northern Hemisphere.

What is the primary reason for the occurrence of different seasons on Earth?

• The shape of Earth's orbit

• The distance of Earth from the sun

• The tilt of Earth's axis

• The speed of Earth's rotation

How long does it take for Earth to complete one revolution around the sun?

• 12 months

• 24 hours

• 365 days

• 30 days

During which event does the Northern Hemisphere experience the longest day of the year?

• Vernal equinox

• Autumnal equinox

• Summer solstice

• Winter solstice

What happens during the autumnal equinox?

• The sun is directly overhead at the equator

• Day and night are of equal length

• Nights are longer than days

• Days are longer than nights

Which event marks the beginning of spring in the Northern Hemisphere?

• Summer solstice

• Vernal equinox

• Winter solstice

• Autumnal equinox