NCERT Class 7 EVS Water harvesting
12. Water harvesting Background We know that rainwater recharges the ground water and helps to maintain the flow of rivers. However, most of this water causes floods or just flows away. This is a waste of precious natural resource. The rainwater can be used to recharge the…
NCERT Class 7 EVS Waste in the market
17. Waste in the market: Where does it go? Background Garbage or waste is the natural byproduct of human activity. Many types of garbage modern societyproduce cannot be burnt and are thrown off indiscriminately. However, for many, especially the urban poor, these wastes…
NCERT Class 7 EVS Study of migratory birds
6. Study of migratory birds Background Migratory birds are compelled to leave their homes due to harsh climatic conditions and shortage of food. They visit a particular place regularly every year where the climate is comfortable and food is easily available. After a few…
NCERT Class 7 EVS Save paper save tree and save environment
16. Save paper, save tree and save environment Background Paper is prepared from wood. Every year large numbers of trees are cut in order to produce paper. As the cutting of trees leads to various environmental hazards, so we should try to reduce its wastage. For that paper…
NCERT Class 7 EVS Preventing wastage of electricity
10. Preventing wastage of electricity Background Electricity is a very convenient and flexible form of energy. However, it is often not used judiciously by most of us. Electricity is a scarce resource which is produced by burning coal at a thermal power station. It is also…
NCERT Class 7 EVS Preservation of historical structures
15. Preservation of historical structures Our responsibility Background Historical structures are evidence of art, architecture and other parameters of civilisation of the past. It also is linked with our roots of culture. Architectural conservation deals with issues of…
NCERT Class 7 EVS Pottery as a craft
8. Pottery as a craft Background Pottery making is very common in many parts of our country. It is not only a profession but also a form of art. Lives of many people are dependent on this profession. Pottery making involves a whole lot of labour from collection of the right…
NCERT Class 7 EVS Pets To have or not to have
19. Pets! To have or not to have Background Keeping a pet is a pleasure for some, but not so for others. Children generally want to have a pet to play with. Parents and many people sometimes feel that it is a problem to have a pet. Methodology 1. Design an interview schedule…
NCERT Class 7 EVS My tree neighbors
13. My tree neighbours Background We obtain varieties of fruits, flowers, edible leaves from trees around us. But we often do not know much about the trees and find it difficult to identify them by their name. Methodology 1. Try to find names of as many trees as possible in…
NCERT Class 7 EVS Knowing some plant diseases
1. Knowing some plant diseases Background Flowers in the garden, crops in the field, vegetables in kitchen garden, fruits on the trees, etc., are damaged by disease causing organisms. This in many cases leads to loss in production which makes the lives of millions of …
NCERT Class 7 EVS Industrialisation
20. Industrialisation, globalisation and indigenous crafts Background Small artisans are facing problems with the advent of commercialisation, new market forces, globalisation and cut throat competition that has transformed art into business. Often craftpersons and artists…
NCERT Class 7 EVS Forests Our treasure
9. Forests: Our treasure Background Forests are useful to us in many ways. Forests are our lifeline. Many things that we use in our lives are made from materials which are obtained from forests. It is also the home/habitat for a large number of wild plants and animals.…
NCERT Class 7 EVS Fibres obtained from animals
3. Fibres obtained from animals Background We obtain various types of fibres from different animals. These fibreproducing animals are found in different places. Some are found all over the country, while some are found only in very specific places. Usage of fibre depends upon…
NCERT Class 7 EVS Exploring sericulture
4. Exploring sericulture Background Sericulture is an occupation for many people in India. Rearing of silkworm, obtaining silk fibre and making yarns require special knowledge, skills and a specialised set up. However, in every step special care has to be taken to protect…
NCERT Class 7 EVS Every animal has a positive role
8. Every animal has a positive role in the environment Background Each species — animal, insect, human — has a unique shape and appearance. Do we like and appreciate most of them? Some we dislike with or without a good reason. Some we treat as bad omens, such as owls, black…