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  4. 3rd Class

Current Affairs 3rd Class

Notes - Plants

Plants   Interesting Facts
  •          The branches and leaves of a plant together is called crown.
  •          85% of plants life is found in the ocean.
  •          Bamboo is the fastest - growing woody plant in the world. It can grow 35 inches in a single day.
  •          The amazon rainforest products half the world's oxygen supply.
  •          The earth has more than 80,000 species of edible plants.
  Plants are very important for us. There are many plants around us of different shapes and size.   SOME CHARACTERSTICS OF PLANTS
  •            Need food to grow.
  •            Need oxygen for breathing purpose.
  •            Plants prepare food for themselves in the presence of air, water and sunlight.
  •            Plants reproduce their own kind.
  •            The smallest unit of plant body is cell.
  DIFFERENT PARTS OF PLANTS A plant has two main parts: root and shoot. The part of the plant which grows above the ground is called shoot. Shoot system has branches, leaves, flowers, buds and fruits. The part which grows below the ground is called root.     FUNCTOINS 1. more...
Catgeory: 3rd Class

Notes - Animals

Animals Interesting Facts
  •          Whales come to the surface regularly to breath.
  Animals
  •           Move from one place to another in search of food and shelter and to protect themselves from the enemies.
  •           Animals depend on plants for their food.
  •           Animals living on land breathe with the help of nose and lungs and those living in water breathe with the help of gills.
  •           Animals have sense organs to detect changes in the environment and to respond accordingly.
  CLASSIFICATION OF ANMALS     Terrestrial animals are those that live on the land, either completely or mostly inside burrows; below the surface. 'terre' means earth and terrestrial means ? of the earth?. Terrestrial animals have various features that enable them to live on land. They have legs to walk. They have well- developed sense organs. Their claws and teeth are very sharp which enables them to catch and eat their prey. For example: Rabbit, Cow, Kangaroo, Cat, Dog, Camel.   Interesting facts
  •          Fruit bats and flying foxes are examples of frugivores.
  •          Bears are the members of the carnivore order, but they are omnivores.
  •          Omnivores like chickens, have no teeth and swallow their food whole
  An aerial animal is any creature that spends time in the air typically in flight. Their bones are light and hollow to more...
Catgeory: 3rd Class

Notes - Transport and Communication

Transport and Communication   Interesting Facts
  •        Eco cars are environment friendly cars developed to reduce pollution.
  •        There are over 200 national highways.
  •        The national highways consume only 1.7% of all Indian roads.
  •         The NH7 is the longest national highway in India running from Varanasi to kanyakumari. 
  We all Need to Travel: We use different vehicles to travel to different places like:
  •           We go to nearby market using a rickshaw or a bicycle.
  •           We go to school in a school bus.
  •           To visit our relatives or friends living far away, we use a car.
  •           We either take aeroplane or train to visit other cities and countries.
  MODE OF TRANSPORT   1.            Land transport: Vehicles which run on roads or tracks are called land transport. It is the most common mode of transport. Road transport and railways are different types of land transport. In Kolkata, one more mode of transport called tram or tramcars are used.   (a) Road transport: Most people travel by cars, scooters, bikes, auto rickshaws and buses. Buses are main means of transport for travelling long distances. People in villages use bullock carts to carry loads and for travelling from one place to another. Nowadays. lorry is also used for carrying loads.   (b) Railway transport: Various cities in a country are connected with trains. They carry hundreds of people more...
Catgeory: 3rd Class

Notes - Science and Technology

Science and Technology   Interesting Facts
  •          You can survive entirely on a diet of potatoes and butter which provide all the necessary materials that human body needs.
  Technology today has already evolved into a more complex and diverse system than ever before. The immeasurable impact of technology in our everyday life can be viewed m many different ways. As the technology goes beyond age, it becomes more developed, influencing almost all walks of human life.   However, we can observe all levels of technological devices in everyday life from phones, to watches all the way to laptops. The increase in demand for these products has given rise to huge brand names that currently dominate the industries. Most businesses nowadays, are highly dependent on technology. Imagine if there was no internet all of the sudden computers went away completely, a lot of business would have to close and be lost forever. Here are the top 5 gadgets that have been integrated into our everyday life.   Do you know?
  •          Charles Babbage invented all the parts that are now used for a modern computer.
  •          Smartphones are seen as a computer but are small enough to fit in someone hands.
  •          A smart T.V. is a television set with integrated internet.
   1.            Computer/Laptops - Computers and laptops are considered the primary source of information They have the ability to access the internet create content, store files, and much more. Computers are the most influential teen-devices on the market today. Computers and internet have shaped how we do everyday tasks.   2.            Smartphones - Phones were primarily invented as a means of communication. Apart from that, currently smartphones are much more closely used the same way computers are. They too have the ability to access the internet almost anywhere in the world access and store files, take photos and tons more.'   3.            Smart T.V.'s more...
Catgeory: 3rd Class

Notes - Our Country

Our Country   STATES AND CAPITALS   There are 29 states and 7 union territories in India. Following table shows the states with their capitals and famous festivals.  
S. No. States Capital Festival
1 Andhra Pradesh Hyderabad Brahmotsavam
2 Arunachal Pradesh Itanagar Losar
3 Assam Dispur Bohag Bihu
more...
Catgeory: 3rd Class

Notes - World

World   Do you know?
  •          Interestingly, the name all of the continents end with the same letter with which they start.
  •        As the oldest human fossils such as skeletons and skulls have been discovered in Africa. The continent is also called ?Cradle of humankind.?
  •          Europe is considered to be the wealthiest and richest continent.
   There are seven continents and five oceans in the world.   CONTINENTS   1.            Asia: Asia is the largest continent on earth covering about 9 percent of the earth's surface. It is also the most populated continent on earth, home to an estimated population of around 4.3 billion people. This large population makes it an important part of the world economy. Highest mountain of the world Mount Everest is also in this continent.   2.            Africa: Africa is the second largest continent in the world. It is also the second largest continent in the world in terms of population. Africa is commonly referred to as the Black Continent by many. This large land mass comprises of 54 countries and is home to one billion people. Africa is also considered to be the birth place of mankind. It contains the world's longest river Nile and also world's largest desert, the Sahara desert.   3.            Antarctica: Antarctica is the southernmost continent of all. Antarctica is the least populated continent on earth. It is also home to very few plant and animal species. Antarctica is also the coldest landmass on earth and much of this continent is made of permanent glaciers. Around 98% of the continent is covered by ice. It is also the windiest continent.   4.            Australia: The continent of Australia is a single country continent. It is the sixth largest country by total area and is also the smallest of all the seven continents. Because of its size and isolated location, it is also called an island continent. This continent is surrounded by Indian Ocean and Pacific Ocean. Australia is one of the least populated continents and is rich in biodiversity. more...
Catgeory: 3rd Class

Notes - Earth and Universe

Earth and Universe   Interesting Facts
  •             The solar system was formed around 4.6 billion years ago.
  •             The earth is about 4.6 billion year old.
  •             There are five dwarf planets in the solar system named pluto, Ceres Haumea, makemake and eris.
  Solar System
  •           The solar system is made up of the Sun, planets, moons/ comets, asteroids, meteoroids, minor planets, dust and gas.
  •           Everything in the solar system orbits or revolves around the Sun. The Sun is so large, that its powerful gravity attracts all the other objects in the solar system towards it.
  •           The Sun is the largest object in the solar system.
  Sun: The Sun is in the centre of the solar system. It is huge and made up of extremely hot gases. The Sun is the main source of heat and light for the solar system. It is the nearest star. It is about 150 million kms away from the Earth.   Planets: There are eight planets which revolve around the Sun. Mercury, Venus, Earth and Mars are called inner planets as they are very close to the Sun. Jupiter, Saturn, Uranus and Neptune are called outer planets as they are far away from the sun.   1.            Mercury: Mercury is the smallest and closest planet to the Sun. Though it is nearest to the Sun, Still it is less hotter than Venus. The reason is that the Mercury has no atmosphere to retain Sun's heat on it.   2.            more...
Catgeory: 3rd Class

Notes - Sports

Sports   INTRODUCTION
  •          Work is done both inside and outside home. Every member of the family is involved in doing some work irrespective of their age or gender.
  •        Women are usually involved in the household work like cleaning, cooking, washing clothes, etc. Nowadays, women are equally supporting their family financially.
  •           Men are usually involved in sturdy work like that of an electrician, plumber, mason, etc.
  •          Children's work includes studying, pursuing their hobbies and playing. Playing is as important as work.
  •         There is a difference between working time and leisure time. Leisure time is the free time for enjoyment in which you could laze around, go to shopping, movie or just pursue any hobby.
  Do you know?
  •          Arjuna Award is given to recognize outstanding achievement is national sports. 
  INDOOR-OUTDOOR GAMES
  •         Games play a very crucial part in the growth and development of every individual. Playing teaches to take challenges, develops sportsman spirit and makes one more fit and alert.
 
  •          Games that are played inside the house are called as indoor games. For example Cards, carrom, chess, board games, video games, etc.
  •         Games that are played outside the house in the open are called outdoor games. For example, football, basketball, cricket, tennis, badminton, etc.
  • more...
Catgeory: 3rd Class

Notes - Language and Literature

Language and Literature   Interesting Facts
  •           The first books ever written using a typewriter was the 'Adventures of tom Saywer'.
  SOME FAMOUS BOOKS AND THEIR AUTHOR'S  
  Books Authors
1. Wings of fire A.P.J. Abdul kalam
2. Forty nine Days Amrita Pritam
3. Kalpana Chawla-A Life Anil Padmanaban
4. Fasting Anita Desai
5. more...
Catgeory: 3rd Class

Animal Kingdom

Animal Kingdom   Land Animals Animals that live on land are called land animals. For example, dog, cat, elephant, zebra, cow, etc.   Characteristics of Land Animals Land animals have certain characteristics that distinguish them from other animals. They are as follows:   Land animals move or crawl Most of the land animals move or crawl in search of food and shelter. Their bodies are designed for movement. For example, lion, tiger, snake, etc. Kangaroo is an animal that hops.   Land animals do not make their own food Land animals do not make their own food. They depend on plants or other animals for their food. For example, cow eats grass, lion eats deer and deer again eats grass etc. This is like a chain that the plant and animal form. This chain is known as food chain.   Land animals produce sound Most of the land animals produce sound. For example, cat mews, dog barks, etc.   Land animals take oxygen directly from air Land animals take oxygen directly from air and utilise it to get energy.   Land animals have tails Most of the land animals have tail that help them in their movement. Tail also help them to maintain the body balance. For example, lion, elephant, dog, cat, etc. Elephant   Land animals reproduce Land animals reproduce by laying eggs or by giving birth to young ones. In this way they do not get extinct. For example, cow gives birth to young ones whereas snake lays eggs. Image result for snake png Snake   Classification of Land Animals Land animals can be classified into various categories on the basis of their body features, food they eat and adaptation. In the first category, land animals are divided into: (i) Domestic animals (ii) Wild animals   Domestic Animals Animals that live with us are called domestic animals. For example, dog, cat, etc. Cat   Wild Animals Animals that live in the forest are called wild animals. For example, lion, tiger, etc.   Lion   In the second category, land animals are classified as: (i) Milk giving animals (ii) Draught animals    Milk Giving Animals Animals that give us milk are called milk giving animals. For example, cow, buffalo, etc.                                                                                    Cow                                         Buffalo   Draught Animals Animals that more...
Catgeory: 3rd Class

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