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The Earth rotates from …………. to …………….westeastThe Earth spins on an imaginary vertical line called the ……………….axisWhen the northern hemisphere is tilted away from the Sun, it has ………………….winterThe Earth takes ………….. days and ………….. hours to complete one revolution.3656
A leap year has 365 days. ……….F (A leap year has 366 days.)Rotation and revolution happen at the same time. …………TThe Sun revolves around the Earth. …………….F (The Earth revolves around the Sun.)When India has summer, Australia has winter. ………………..T
What is rotation?The spinning of the Earth on its axis.What is revolution?The movement of the Earth around the Sun.What is the axis of the Earth?An imaginary line around which the Earth spins.How many hours does the Earth take to complete one rotation?24 hours.
How are days formed?As the Earth rotates on its axis, the part facing the Sun experiences daylight.The part of the Earth facing away from the Sun experiences night.This continuous rotation creates the cycle of day and night.What causes the change in seasons?The Earth's axis is tilted.As the Earth revolves around the Sun, different parts of the Earth tilt towards or away from the Sun.This tilt affects how much sunlight each hemisphere receives, causing seasonal changes.What is a leap year and how is it formed?A leap year has 366 days, with an extra day in February.The Earth takes 365 days and 6 hours to revolve around the Sun.Every four years, those extra 6 hours add up to 24 hours, creating an extra day.Why does the Northern Hemisphere have summer when the Southern Hemisphere has winter?The Earth's axis is tilted.When the northern hemisphere tilts towards the sun, it receives more direct sunlight.At the same time, the southern hemisphere tilts away, receiving less direct sunlight.This causes summer in the north and winter in the south.
Answer to text book exercise
Workout
A. Fill in the blanks.
B. Write T for true and F for false.
C. Answer these questions in brief.
D. Answer these questions in detail.
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