NCERT Class 7 Science Winds Storms and Cyclones
8 Winds, Storms and Cyclones Orissa was hit by a cyclone with wind speed of 200 km/h on 18 October 1999. The cyclone smashed 45,000 houses making 7,00,000 people homeless. On 29 October the same year, a second cyclone with wind speed of 260 km/h hit Orissa again. It was…
NCERT Class 7 Science Weather Climate and Adaptation
7 Weather, Climate and Adaptations of Animals to Climate Do you remember the things that you were asked to pack when you were heading for a hill station? When the sky is cloudy, your parents insist that you carry an umbrella. Have you heard elders in your family discuss the…
NCERT Class 7 Science Water A Precious Resource
16 Water: A Precious Resource Jal Hai, To Kal Hai” “If you have water, you can think of the future” You are perhaps aware that 22 March is celebrated as the world water day! A school celebrated ‘water day’ and invited posters from the children of your age group. Some of the…
NCERT Class 7 Science Wastewater Story
18 Wastewater Story All of us use water in our homes and make it dirty. Dirty! Are you surprised? Rich in lather, mixed with oil, black– brown water that goes down the drains from sinks, showers, toilets, laundries is dirty. It is called wastewater. This used water should…
NCERT Class 7 Science Transportation in Animals
11 Transportation in Animals and Plants You have learnt earlier that all organisms need food, water and oxygen for survival. They need to transport all these to various parts of their body. Further, animals need to transport wastes to parts from where they can be removed.…
NCERT Class 7 Science Soil
9 Soil Soil is one of the most important natural resources. It supports the growth of plants by holding the roots firmly and supplying water and nutrients. It is the home for many organisms. Soil is essential for agriculture. Agriculture provides food, clothing and shelter…
NCERT Class 7 Science Respiration in Organisms
10 Respiration in Organisms One day Boojho was eagerly waiting to meet his grandparents who were coming to the town after a year. He was in a real hurry as he wanted to receive them at the bus-stop. He ran fast and reached the bus-stop in a few minutes. He was breathing…
NCERT Class 7 Science Reproduction in Plants
12 Reproduction in Plants To produce its kind is a characteristic of all living organisms. You have already learnt this in Class VI. The production of new individuals from their parents is known as reproduction. But, how do plants reproduce? There are different modes of…
NCERT Class 7 Science Physical and Chemical Changes
NCERT Class 7 Science Physical and Chemical Changes. Download NCERT Chapters and Books in pdf format. Easy to print and read. Copies of these textbooks may be downloaded and used as textbooks or for reference. Refer to other chapters and books at other links (NCERT now…
NCERT Class 7 Science Nutrition in Plants
1 Nutrition in Plants In Class VI you learnt that food is essential for all living organisms. You also learnt that carbohydrates, proteins, fats, vitamins and minerals are components of food. These components of food are necessary for our body and are called nutrients. All…
NCERT Class 7 Science Nutrition in Animals
2 Nutrition in Animals You have learnt in Chapter 1 that plants can prepare their own food by the process of photosynthesis but animals cannot. Animals get their food from plants, either directly by eating plants or indirectly by eating animals that eat plants. Some animals …
NCERT Class 7 Science Motion and Time
13 Motion and Time In Class VI, you learnt about different types of motions. You learnt that a motion could be along a straight line, it could be circular or periodic. Can you recall these three types of motions? Table 13.1 gives some common examples of motions. Identify the…
NCERT Class 7 Science Light
15 Light You might have seen a beam of sunlight when it enters a room through a narrow opening or a hole. You may have also seen beams of light from the headlamps of scooters, cars and engines of trains [Fig. 15.1 (a)]. Similarly, a beam of light can be seen from a torch.…
NCERT Class 7 Science Heat
4 Heat In Chapter 3 you learnt that woollen clothes are made from animal fibres. You also know that cotton clothes are made from plant fibres. We wear woollen clothes during winters when it is cold outside. Woollen clothes keep us warm. We prefer to wear light coloured …