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NCERT Solution: Rhythms of Nature | Our Wondrous World Class 5 - New NCERT PDF Download

Page No.148- 149

Write

Q. Can you think of something that takes a long time to change, maybe over the years? 
Ans: Long-term changes: Mountains growing, trees becoming very big.

Q. What about something that changes within a few years? 
Ans: A few years change: Building a new house, learning to ride a bicycle.

Q. Are there changes that happen every year? 
Ans: Yearly changes: Festivals, seasons, school exams.

Q. What changes in just a few minutes or seconds?
Ans: Minutes/seconds changes: Sky turning dark when clouds cover the sun, lights turning on at dusk.

Page No. 150

Activity

NCERT Solution: Rhythms of Nature | Our Wondrous World  Class 5 - New NCERT

Answer / Steps:

NCERT Solution: Rhythms of Nature | Our Wondrous World  Class 5 - New NCERT

  • Place a globe on a table, shine a torch on one side. The lit side is day; the shadow side is night.
  • Slowly rotate the globe to see how day changes to night.
  • Role-play: One student acts as the ‘Sun’ (torch) and another as the ‘Earth’, rotating and saying "day, day" when facing the sun, and "night, night" when facing away.

Page Nos. 151

Write

Q. Study the globe and write in the space given below, when it is daytime in India, which countries will have night?
Ans: When it is daytime in India, countries located roughly on the opposite side of the Earth experience nighttime due to the Earth's rotation. For example, when India has daylight, countries like the United States, Canada, Brazil, Mexico, and parts of South America, as well as some regions in Australia and South Africa, will have night. This happens because the Earth rotates on its axis, so the side facing the Sun has day, and the opposite side has night. Thus, while India is in daytime, many Western countries in the Americas are in nighttime.

Page No. 157

Write

Q. How do you feel when the season changes? Would you like one season to continue all year? Why or why not?

Ans (Sample): All students should write their opinions about how they feel 

  • I feel happy when seasons change because it brings new things like different clothes and foods.
  • I would not want one season all year because change makes life interesting and helps plants and animals grow properly.

Discuss

Q. Winter in Kerala is different from winter in Kashmir. Monsoon in Assam is different from Rajasthan. Why?
Ans:

  • Kerala is near the equator, so its winters are warm and rainy. Kashmir is in the mountains, so winter is very cold and snowy there.
  • Assam gets heavy monsoon rains because of its hills and location, but Rajasthan is a desert with very little rain due to its dry climate.

Page No.: 159- 160

Let us reflect

Q1. Narrate your experiences with season changes.
Ans (Sample): I notice summer is very hot, so we eat cold foods and wear light clothes; in winter, we wear woollens and eat hot soups.

Q2. Ask family about seasonal changes over the years and write about differences and possible reasons.
Ans (Sample): My grandparents say winters were longer when they were young, but now it is shorter, possibly due to climate change or urbanisation.

Q3. Find local names for seasons (Spring, Summer, Monsoon, Autumn, Pre-winter, Winter).

Ans (Sample): Local names I found:
Spring: Basant
Summer: Grishma
Monsoon: Varsha
Autumn: Sharad
Pre-winter: Hemant
Winter: Shishir

Q4. Fill the table with your observations about food, clothes, festivals, and nature for each season.

NCERT Solution: Rhythms of Nature | Our Wondrous World  Class 5 - New NCERT

Q5. Share your experience of keeping a season’s journal.
Ans (Sample): I enjoyed watching how plants and animals changed each month. In summer, butterflies were everywhere, and in monsoon, I saw more frogs and mushrooms in the garden.

NCERT Solution: Rhythms of Nature | Our Wondrous World  Class 5 - New NCERT

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FAQs on NCERT Solution: Rhythms of Nature - Our Wondrous World Class 5 - New NCERT

1. What is the significance of the Day and Night Demonstration in understanding natural rhythms?
Ans. The Day and Night Demonstration illustrates how the Earth’s rotation leads to the cycle of day and night. This activity helps students visualize the concept of rotation and understand that while one side of the Earth experiences daylight, the opposite side is in darkness. This fundamental understanding is crucial for comprehending more complex natural rhythms, such as seasonal changes and the impact of these cycles on living organisms.
2. How can a Classroom Seasons’ Chart help in learning about seasonal changes?
Ans. A Classroom Seasons’ Chart serves as a visual aid that represents the four seasons: spring, summer, autumn, and winter. This chart can help students learn about the characteristics of each season, including typical weather patterns, daylight duration, and seasonal activities. By engaging with the chart, students can better grasp how the tilt of the Earth's axis affects the seasons, fostering a deeper understanding of environmental changes throughout the year.
3. What types of crops are typically grown in summer and winter, and why does this vary?
Ans. Summer crops, such as maize, rice, and various vegetables, are typically planted during warmer months when sunlight and temperatures are higher, promoting growth. In contrast, winter crops like wheat, barley, and certain legumes are sown in cooler months, as they can withstand lower temperatures. This variation in crop types is primarily due to the different climatic conditions and temperature requirements for optimal growth during each season.
4. What are some key activities suggested in the "Find Out" sections of the article?
Ans. The "Find Out" sections encourage students to explore specific questions related to natural phenomena and seasons. Activities may include conducting experiments to observe changes in day length, investigating local seasonal weather patterns, or researching how different animals adapt to seasonal changes. These interactive tasks promote critical thinking and help students connect theoretical knowledge with real-world observations.
5. Why is reflection on learned concepts important, as emphasized in the "Let Us Reflect" section?
Ans. Reflecting on learned concepts allows students to consolidate their understanding and identify areas for further exploration. The "Let Us Reflect" section encourages learners to think critically about their experiences and knowledge regarding natural rhythms. This process can enhance retention, promote self-assessment, and encourage students to make connections between different topics, ultimately leading to a more integrated understanding of the subject matter.
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