Class_5_EVS_Chapter_9_Complete_Answers (1)

Class 5 EVS – Our Wondrous World Chapter 9: Rhythms of Nature Complete Answers and Filled Tables Note: For questions requiring regional examples, the completed model answers use Assam as the region. These can be adapted to the students’ own locality. A. Write – Changes from Grade 3 to Grade 5 A possible completed response: Grade 3 Grade 4 Grade 5 Yourself and your friends We were shorter and younger. We grew taller and became more independent. We are taller, more confident and have new interests and skills. School We studied in lower classes and had simpler routines. We moved to a higher class and learned more subjects. We have more responsibilities and learn more complex ideas. Surrounding area We noticed fewer changes around the school. More plants grew and the surroundings changed with seasons. New trees/plants and seasonal changes are easier to notice and observe. B. Write – Changes over different time periods 1. Something that takes a really long time to change: A large tree takes many years to grow fully. 2. Something that changes within a few years: A child grows taller and develops new skills within a few years. 3. Changes that happen every year again and again: Seasons change every year: summer, monsoon, autumn, pre-winter, winter and spring. 4. Something that changes in a few minutes or seconds: The colour of the sky can change quickly during sunrise or sunset; a cloud may also move across the sky in a short time. C. Find out – Day in India and night elsewhere When it is daytime in India, it is nighttime in countries on the opposite side of the Earth, such as parts of the Americas. For example: Brazil, Argentina and parts of the United States may have night depending on the time of day. The exact places experiencing night change continuously because the Earth rotates. Key idea: Day and night are caused by the rotation of the Earth. The side facing the Sun has day; the side away from the Sun has night. D. Seasons’ Chart – Completed Model Chart Theme April–June July–September October–December January–March Plant life New leaves, flowers and early fruits appear; plants grow actively. Plants grow rapidly because of rain; many are green and lush. Many plants bear fruits/seeds; some leaves begin to fall. Some plants have fewer leaves; flowering may occur in suitable plants. Birds and animals Birds are active; animals seek shade and water in hot weather. Birds and animals find water and food more easily; some animals respond to heavy rain. Animals prepare for cooler weather; many birds are active around food sources. Animals seek warmth/shelter; some birds are seen in winter. Air, heat and light Hot weather and strong sunlight. Cloudy, humid and rainy; sunlight is often reduced. Weather becomes cooler; pleasant sunlight. Cooler and often dry; sunlight feels mild. Water and water bodies Ponds and streams may shrink Rain fills ponds, puddles, Water levels may gradually Water bodies may be coolerin hot periods; water is important. rivers and other water bodies. decrease after the monsoon. and clearer; puddles are less common. Human activities People drink more water and use light cotton clothes. People use umbrellas/raincoats; farming activities increase. People prepare for festivals and harvests; weather becomes pleasant. People wear warm clothes and enjoy winter activities. E. Discovering Seasons The repeating pattern of changes in nature that occurs every year is called a natural rhythm or seasons. In India, six seasons are commonly described. F. Six Seasons – Months (model answer for Assam) Season Months (approx.) Vasanta (Spring) March–April Grishma (Summer) May–June Varsha (Monsoon) July–September Sharad (Autumn) October–November Hemant (Pre-winter) December Shishir (Winter) January–February G. Write – Feelings about seasonal change I enjoy the change of seasons because each season brings different weather, food, clothes, festivals and activities. I would not prefer one season throughout the year because nature needs seasonal changes for plants, animals, water and human activities. H. Discuss – Why seasons differ from place to place Winter in Kerala is different from winter in Kashmir because places have different locations, altitudes and weather conditions. Kashmir is much colder and may receive snowfall, while Kerala remains comparatively warmer. Similarly, Assam receives heavy monsoon rainfall, while Rajasthan is much drier because of differences in climate, location and rainfall. I. Summer and Winter Crops – Model Answer Summer Crops Winter Crops Maize Wheat Rice (in suitable summer/monsoon cultivation) Mustard Cucumber Peas Okra (Lady’s finger) Potato J. Match the Festivals with the Season S. No. Festival Correct Season 1 Pongal, Makar Sankranti (d) Winter 2 Holi (a) Spring – when flowers bloom 3 Diwali (b) Autumn – after crops are harvested 4 Baisakhi, Gudi Padwa, Vishu, Rongali Bihu (c) New year and harvest festival K. Let us Reflect 1. Narrate your experiences about season changes. I notice that the weather changes during the year. Summer is hot, the monsoon brings rain, autumn becomes more pleasant, winter is cooler, and spring brings new growth and flowers.2. Ask family members about seasons. Are there differences? Why? Yes. Older family members may notice that the timing and intensity of seasons have changed over the years. Possible reasons include changes in rainfall, temperature, land use and other environmental factors. 3. Local names of the six seasons (Assamese examples). Spring – (Basanta); Summer – (Grishma); Monsoon – (Barsha); Autumn – (Sarat); Pre-winter – (Hemanta); Winter – (Sheet). L. Question 4 – Completed Seasonal Table Name of the Season Food You Eat Clothes You Wear Festivals You Celebrate Nature Around You Spring Fresh vegetables, fruits, light meals Light cotton clothes Bohag/Rongali Bihu New leaves, flowers and active birds Summer Watermelon, cucumber, seasonal fruits Light cotton clothes Bihu and local summer celebrations Hot weather, bright sunlight, plants need water Monsoon Rice, vegetables, seasonal fruits Raincoat/umbrella; light clothes Janmashtami and local monsoon observances Green plants, rain-filled ponds and streams Autumn Rice, vegetables, fruits Light cotton clothes Durga Puja, Diwali (depending on timing) Clearer skies, pleasant weather, some leaves begin to change Pre-winter Warm seasonal foods, vegetables Light woollens Bihu/harvest-related celebrations where applicable Cooler air, drier weather Winter Rice, vegetables, oranges and other seasonal foods Sweaters, jackets and warm clothes Magh Bihu and other winter festivals Cool air, mist/fog in some places, fewer insects M. Question 5 – Share your experience of seasons’ journaling I recorded changes in plants, birds and animals, weather, water bodies and human activities during different parts of the year. The journal helped me notice that nature follows repeating patterns and that the seasons affect the way people, plants and animals live. N. Question 6 – Comparative Drawing of Three Major Seasons A completed printable drawing is provided below, showing typical features of summer, monsoon and winter. Answer Summary – Key Learning Students should understand that nature changes continuously and also follows repeating rhythms. Day and night occur because the Earth rotates; seasons repeat as natural cycles. India experiences six traditionally described seasons, and seasonal conditions influence plants, animals, water, food, clothing, crops, festivals and human activities. Seasonal experiences can differ from one region to another.