The national Olympiad movement aims to bring together the world’s most gifted secondary and higher secondary students in a friendly competition at the highest level. The Olympiads do not directly lead to career benefits; rather, they serve as a catalyst to begin a career in science or mathematics and to embark on a lifelong journey into the realms of exciting intellectual challenges. The Olympiads are more than just competitions; they are gatherings of the world’s brightest young minds, and many friendships formed at the Olympiads form the seeds of later scientific collaboration. The Olympiads, like the Olympics in sports, are a celebration of the best in school-level science and mathematics. This article is all about Science Olympiad which gives details about the Science Chapter 4 For Class 2: Housing and clothing.
The National Science Olympiad begins with a national examination held in nearly 1400 schools across the country and concludes with international Olympiads held in various parts of the world. The national level examinations are intended to assess conceptual understanding, logical reasoning, laboratory skills, and, most importantly, the ability to apply problem-solving skills to the novel, both theoretical and experimental situations. Training is included in the program beginning with the third stage, and the first two stages do not necessarily necessitate any specialized coaching outside of the regular school system.
We need a place to live. Our house shields us from the elements, including heat, cold, storms, and rain. It also keeps animals and thieves at bay. We see various types of houses all around us. The types of houses we build are determined by our requirements. A kachcha house is constructed of mud and straw. It is mostly found in villages. It’s not very powerful. A pakka house is constructed with bricks, iron, wood, glass, and cement. It’s mostly found in cities. It is extremely powerful. A pakka house is also a multi-story building. It has several levels. Several families can live on different floors.
Nomads are people who move from one location to another. They reside in canvas tents or caravans. People who live in extremely cold climates construct snow houses. These structures are known as igloos. Houses built on wooden posts can be found in flood-prone areas. These structures are known as stilt houses.
A GOOD HOUSE
A good house should have everything we need to feel safe and comfortable. A good home should have the following characteristics:
It should have plenty of windows and doors for ventilation. It should get plenty of sunlight and fresh air. The sun kills germs and keeps rooms dry. We are healthier when we breathe clean, fresh air.
Wire netting should be installed around the windows and doors. This keeps flies and mosquitoes at bay while allowing air and sunlight to pass through.
It should have a proper wire netting that keeps flies and mosquitoes away from the drainage system. To keep mosquitoes away, the drains carrying water from the kitchen and bathroom should be properly covered. The kitchen and bathroom floors should be sloped to allow water to drain easily.
It should have open areas such as a verandah, a courtyard, and balconies. Veranda balconies allow for plenty of fresh air and space for children to play.
It should be surrounded by a lot of plants. Plants purify the air and beautify their surroundings.
A cleaned HOUSE
We need to keep our homes clean. Some insects, such as mosquitoes, houseflies, and cockroaches, transmit diseases and make us sick. We can get rid of them by cleaning our house on a regular basis.
To keep our house clean, we should do the following:
- Furniture should be regularly dusted and cleaned.
- Every day, the floor should be swept and mopped.
- While mopping the floor, germicides such as phenyl should be used.
- Everything must be kept in its proper place in order for our home to appear neat and tidy.
- Every day, the toilet and bathroom must be cleaned.
- To keep insects that spread diseases at bay, dustbins should be kept covered.
- Bed linens and curtains must be washed on a regular basis.
- A tidy home indicates a healthy and happy family.
FIBRES AND CLOTHES
To cover their bodies, early humans used leaves and the skin of dead animals. Nowadays, we wear clothes not only to cover our bodies but also to express ourselves.
- In the winter, we keep ourselves warm.
- In the summer, we should protect ourselves from the sun’s heat.
- We should take precautions against rain and insect bites.
- You look good.
Fibres are used to make clothing. There are two kinds of fibres:
a) Organic fibres
Plants and animals both provide natural fibres. Cotton and jute are natural fibres. Wool and silk are both made from animals.
b) Artificial (human-made)
Human-made or synthetic fibres are those created in factories by humans. Synthetic fibres include nylon, terry cot, and polyester.
Considerations for Housing and Clothing
- We need a house to live in and to protect ourselves from the elements such as heat, cold, rain, and animals.
- Kachcha houses are made of mud and straw and are not very sturdy.
- Pakka house is made of bricks, iron, and cement and is extremely sturdy.
- Speciality houses include igloos, caravans, and stilt houses.
- A good house should have proper ventilation, wire netted doors and windows, a proper drainage system, lots of plants, and open spaces such as verandahs and balconies.
- There are two kinds of fibres: natural and synthetic.
- In the winter, we wear woollen clothing, and in the summer, we wear cotton and linen clothing.
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