Maharashtra State Board Class 5 EVS Motions of the Earth Fill in the blanks, True False and Question & Answers.
Fill in the Blanks :
1. The earth rotates around its axis.
2. The rotation of the earth causes day and night.
3. The revolution of the earth around the sun causes seasons.
4. The imaginary line around which the earth rotates is called the axis.
5. The circle that divides the earth into two equal halves is called the equator.
6. The two halves of the earth are called the northern hemisphere and the southern hemisphere.
7. The earth rotates from west to east.
8. A complete rotation of the earth takes 24 hours.
9. A year has 365 days and 6 hours.
10. The shape of the moon keeps changing. These changes are called phases of the moon.
11. The moon takes about 28 to 30 days to complete one lunar month.
12. A leap year has 366 days.
13. On a new moon night, the moon is not visible.
14. On a full moon night, we can see the whole moon.
15. The days in the lunar month are called tithis.
Questions and Answers:-
1. What causes day and night?
➤ The rotation of the earth.
2. What causes seasons?
➤ The revolution of the earth and its tilted axis.
3. What is the axis of the earth?
➤ It is the imaginary line around which the earth rotates.
4. What is the equator?
➤ It is an imaginary circle that divides the earth into two equal halves.
5. Name the two parts of the earth made by the equator.
➤ Northern hemisphere and southern hemisphere.
6. How many hours are there in a day?
➤ 24 hours.
7. What is a year?
➤ The time taken by the earth to revolve once around the sun.
8. How long does the earth take to complete one rotation?
➤ 24 hours.
9. How long does the earth take to complete one revolution?
➤ About 365 days and 6 hours.
10. What is a lunar month?
➤ The time from one new moon to the next, about 28 to 30 days.
11. What is a leap year?
➤ A year that has 366 days instead of 365.
12. Why is there a leap year every 4 years?
➤ To add the extra 6 hours collected each year into 1 day.
13. Does the moon have its own light?
➤ No, we see it because of the sun’s light.
14. What is the full moon?
➤ The night when we can see the full round shape of the moon.
True or False –
1. The earth rotates from east to west. – False
2. The equator divides the earth into four parts. – False
3. One day is the time taken by the earth to complete one rotation. – True
4. The axis of the earth is straight. – False
5. The earth revolves around the moon. – False
6. The moon changes shape every day. – True
7. A leap year has 29 days in February. – True
8. The earth’s revolution does not affect the seasons. – False
9. Day and night happen because of rotation. – True
10. A full moon is when we cannot see the moon at all. – False
11. A new moon is when the moon is fully visible. – False
12. The earth’s axis is inclined. – True
13. The moon has light of its own. – False
14. The earth completes one rotation in 24 hours. – True
15. The sun rises in the west. – False
Maharashtra State Board Class 5 EVS Motions of the Earth Textbook Solutions
1. What’s the solution?
Question: Amit wants to take his granny to Australia which is in the southern hemisphere. But she cannot bear very cold weather. When should they make this trip?
Answer:They should go to Australia between 23 September and 22 March. During this time, it is summer in the southern hemisphere, so the weather will be warm and not too cold for granny.
2. Use your brain power!
(a) How many rotations does the earth complete during one revolution around the sun?
Answer:
The earth completes about 365 rotations during one revolution around the sun. This means the earth rotates once every day, and there are about 365 days in a year.
(b) It is sunrise at Itanagar in Arunachal Pradesh. Write the names of the following cities in the order in which the sun will rise there:
Cities: Mumbai (Maharashtra), Kolkata (West Bengal), Bhopal (Madhya Pradesh), Nagpur (Maharashtra)
Answer:
The sun rises from the east, so the order will be:
1. Kolkata → 2. Bhopal → 3. Nagpur → 4. Mumbai
Here are the answers written in easy and simple English:
3. Fill in the blanks
(a) The motion of the earth around itself is called rotation.
(b) The motion of the earth around the sun is called revolution.
(c) The rotation of the earth gives rise to day and night.
4. What is meant by each of the following terms?
(a) Full moon – The night when we can see the full round face of the moon.
(b) New moon – The night when we cannot see the moon at all.
(c) Lunar month – The time from one new moon to the next new moon, about 28 to 30 days.
(d) Tithi – A day in the lunar calendar. Each day is called a tithi.
5. Answer the following questions
(a) What is the equator?
The equator is an imaginary circle around the middle of the earth. It divides the earth into two equal halves.
(b) What are the two parts of the earth made by the equator?
The two parts are:
1. Northern Hemisphere – the upper half
2. Southern Hemisphere – the lower half
Maharashtra State Board Class 5 EVS Our Earth and The Solar System
