Birds and their nests

All of us need shelter. We build houses to live in. birds also need some place to live. Most of the birds build nests to live. Different birds make nests in different ways and at different places.NestsBirds build their nests to live. You have seen...

The skeletal system

Man body Man is a living machine. Small units called cells make up a human body. These cells join to from tissues. Tissues from organs. Many organs make up a system. Many systems make up a human body.   These systems work together and...

Land and water are heated differently

On a hot sunny day you are asked to walk before on sand, would you like to do it? - Certainly not. At the same time if you are asked to dip your feet into running water you would not mind, land absorbs heat much faster than water. Take two bowls...

Moon- earth’s nearest neighbor

Constellations One can see only about 2000 stars in a clear blue sky. One can o you know that there are billions of stars? If you look at the sky you can see that groups of stars form the outline of some peculiar shapes. These patterns formed...

How soil is formed

  The earth’s crust was- made up of rocks, as time passed due to disturbances like strong wind, rain etc. these rocks broke into tiny particles. The rocks keep on breaking all the time taking the space of pebble, sand and gravel. These tiny...

What is earth?

  Our earth is one of the nine planets that orbit round the sun on fixed paths. While it orbits or revolves round the sun the earth also rotates on its own axis. It rotates from west to east. That makes the sun appear first in the east. The part...

How to prevent pollution?

  The water we use for ourselves, plants and animals should be free of germs and poisonous substances. In the wells of villages the water can be purified by dissolving a small piece of alum. At home, the best way is to boil and filter the drinking...

Usefulness of plants and animals

Plants and animals provide us with many things which we need in our daily life.Poultry animals like hen and duck are given special food.Food that animals eat also comes from plants. Animals are dependent on plants directly or indirectly for their...

We need energy to work and play. The more we work and play the more energy we need. Food gives us energy. Food is of use only when it is broken down to small pieces. This is done by the digestive system.   The food we eat consists of large...

The distant trio - 3 planets

Planet watchWe can see some of the planets without the aid a telescope. They shine like stars, but they have no light of their own. They are lighted up by the sun.The planets going round the sun, their satellites, the asteroids and comets, make up...

One of the most important part of the entire statistical method is the collection of statistical data. There are different methods to collect statistical data, among them questionnaire and mail questionnaire methods are two highly used...

Pollution and diseases

Pollution Pollution is any undesirable change in the environment. It is caused by the release or addition of toxic substance into the air, water or soil, which may harm or kill the living organisms.Air pollution The air surrounding us is polluted...

Statistical Data : Primary and Secondary

Statistical data can be broadly classified into two parts: primary and secondary on the basis of the source of the data. 1.) Primary Data: The statistical data which are collected by the investigator for his own interest or use by himself are the...

Spread of diseases

The diseases which spread from one person to another by contact are known as contagious diseases. The main causes of infection are contact with infected people or by eating infected food or water. The infections are caused by micro-organisms, also...

Phases of the moon

What do you see when you look up at the sky at night? You see the moon. You also see many twinkling stars. The moon, through smaller than planets, look bigger because it is near to the earth. Moon is earth’s satellite. A satellite is a celestial...

Useful insects and harmful insects

Ants, files, bees, butterflies, mosquitoes and the grasshopper that make a shrill noise are all commonly seen insects. An insect body has three parts, the head, the thorax and the abdomen. An insect has two eyes and feelers. The feelers help...

Composition of air

We need air. We breathe air. You cannot see air because it is colorless. You cannot smell air because it is odorless. Air is everywhere on planet earth. Air covers our planet earth like a blanket. This air covers is called the atmosphere...

Our Earth

Our Earth We are living in the house. House is on earth. Globe The earth is very big.  To study the earth we have to make a model of the earth. This model is called the globe. The globe is a hollow sphere on which the map of the earth is pasted or...

Waking up early can be fun

Get to bed early night so that you can get up at the creak of dawn. Give a fresh start to a new day! Make it a habit to start your day early with some activity. It could be reading. Gardening, exercising or just taking your dog for a walk....

Meaningful life

Life is a little. Live with happy. Life is for living. You can enjoy it if you make meaningful. You must be able to reason and think clearly. Confusion brings about more confusion and confused people never really know how to enjoy life. They...

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