Worksheet: Motions of the Earth

# Motions of the Earth Class 6 Worksheet Geography Chapter 3

Q.1. State True (T) or false (F).
(i) Axis of the earth is an imaginary line about which the earth rotates.  ______
(ii) Earth takes exactly 365 days to revolve around the sun. ________
(iii) Day and Night on the Earth occurs due to rotation of the Earth. ______
(iv) On 21st march, the Tropic of Capricorn receives direct rays of the sun as the South Pole tilts towards it. ________
(v) Every fourth year, February is of 29 days instead of 28 days. ________
(vi) When there is spring in the Northern Hemisphere and summer in the Southern Hemisphere. ________

Q.2. What is the shape of the Earth?

Q.3. Differentiate between rotation and revolution of earth.

Q.4. When Christmas is celebrated in Australia?

Q.5. Which motion of the earth causes change in seasons?

Q.6. Why do the poles experience about six months of day and night?

Q.7. How long does it take the earth to complete one rotation around its axis?

Q.8. Why do seasons occur?

Q.9. When do the sun rays fall directly on the equator?

Q.10. Why days and nights are not of equal length?

Q.11. What causes change in seasons?

Q.12.  Fill in the blanks.
(i) The earth receives light from __________.
(ii) The earth takes about ________to complete one rotation around its axis.
(iii) The period of rotation is known as the _______.
(iv) On 23rd September, it is _________ season in the Northern Hemisphere and _________ season in the Southern Hemisphere.
(v) The portion facing the sun experiences _______ while the other half away from the sun experiences________.
(vi) The axis of the earth makes an angle of ______ degree with its orbital plane.
(vii) Australia lies in _________ Hemisphere. viii. The longest day and the shortest night at these places occur on 21st______.

Q.13. Why areas near the poles receive less heat?

The document Motions of the Earth Class 6 Worksheet Geography Chapter 3 is a part of the Class 6 Course Social Studies (SST) Class 6.
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## Social Studies (SST) Class 6

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## FAQs on Motions of the Earth Class 6 Worksheet Geography Chapter 3

 1. What are the different motions of the Earth?
Ans. The Earth has three main motions: rotation, revolution, and precession. Rotation refers to the Earth's spinning on its axis, which causes day and night. Revolution is the Earth's movement around the Sun, resulting in the changing seasons. Precession is a slow wobbling motion of the Earth's axis, completing a cycle approximately every 26,000 years.
 2. How does the rotation of the Earth cause day and night?
Ans. The rotation of the Earth causes day and night because as the Earth rotates on its axis, different parts of the planet are either facing towards or away from the Sun. When a particular region is facing towards the Sun, it experiences daylight, while the opposite side experiences darkness, resulting in night time.
 3. What is the significance of the Earth's revolution?
Ans. The Earth's revolution around the Sun is significant because it determines the changing seasons. As the Earth revolves, different parts of the planet receive varying amounts of sunlight, leading to the four seasons: spring, summer, autumn, and winter. This revolution also affects the length of daylight hours throughout the year.
 4. How does precession affect the Earth?
Ans. Precession is a slow wobbling motion of the Earth's axis, and it affects the Earth's climate and the positions of the celestial bodies. This motion causes a gradual shift in the positions of the North and South Poles over a long period of time. It also affects the Earth's climate by altering the distribution of sunlight and influencing the intensity of seasons.
 5. What is the duration of a complete precession cycle?
Ans. A complete precession cycle, where the Earth's axis completes one full wobble, takes approximately 26,000 years. This means that over this time period, the position of the North and South Poles changes, causing a shift in the Earth's climate and the positions of the celestial bodies.

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