## MP Board Class 7th Social Science Solutions Chapter 7 Movements of the Earth

### MP Board Class 7th Social Science Chapter 7 Text Book Questions

Fill in the blanks:

1. The earth completes one rotation in ………….. hours.
2. The earth completes one revolution round toe sun in ………….. days.
3. Day and Night occurs due to the ……………… of toe earth.
4. Earth gets heat from the ……………..
5. The earth’s axis forms an angle of ……………

1. 24 hours
2. 365 days
3. rotation
4. sun
5. 23.5°

Match the columns:

1. (b) Equator
2. (c) Tropic of cancer
3. (a) Tropic of Copricom

MP Board Class 7th Social Science Chapter 7 Short Answer Type Questions

Mp Board Class 7th Social Science Chapter 7 Question 1.
What is meant by rotation?
The earth rotates on its axis from west to east. This movement of the earth is called rotation. The earth takes about 24 hours to complete one rotation (12 hours day, 12 his nights) this period of rotation is known as earth today.

Mp Board Class 7 Social Science Chapter 7 Question 2.
What do you understand by revolution?
While rotating on its axis toe earth moves forward and revolves around sun. In this movement, toe earth follows a fixed route or path. This movement of the earth is called revolution. The earth takes 365 days and about 6 hours to complete one revolution.

Social Science Class 7 Mp Board Question 3.
Which movement of the earth brings about a change in the season?
Due to revolution, we experience changes in the seasons.

MP Board Class 7th Social Science Chapter 7 Long Answer Type Questions

Mp Board Class 7th Social Science Solution Question 1.
Explain the movements of the earth with the help of a diagram.
(a) Rotation:
Rotation is turning on an axis. The earth rotates on its axis once in 24 hours. The evidence of this is found in the rising and setting of the sun. At the Equator the earth’s speed of rotation on its axis is 40,000 km. in 24 hours, i.e., over 1,600 km. per hour.

Revolution:
The earth’s movement round the sun in 365‘A days is known as Revolution. The earth’s orbit is about 965 million km. long and it moves round the sun at the speed of 29.6 km. per second (1,03,200 km. per hour).

Motion Of The Earth Class 7 Question 2.
Explain how days and nights occur on the earth.