There are so much variety of the food that we eat. Those food items are made with many ingredients. Like to prepare vegetable curry, we need different kinds of vegetables, salt, spices, oil and so on. Continue Learning
Food components consist of chapati, dal, boiled rice, curd, brinjal curry, appam, fish curry etc. Another may be sambar and a vegetable preparation of lady's finger (bhindi).
Each and every dish is usually made up of one or more ingredients, which we get from plants or animals.
The ingredients contain some components that are needed by our body. These components are called nutrients. Also food contains major nutrients in our food are named carbohydrates, proteins, fats, vitamins, minerals, fibers and water. Continue Learning
While we see around us there are various fabrics surroundings us. They will be found in the form of bed sheets, blankets curtains, tablecloths, towels and dusters were made from different kinds of fabrics. Even your school bags and the gunny bags were made from some kind of fabric.
There is an end number of fabrics available in the world, but they can be classified into three categories based on the fibers . They can be weaved or knitted in so many structures as per the end-user. Continue Learning
There are various objects available surrounding us here we will identify the materials that each one is made of. It would be fun to make this a large table − collecting information about as many objects as possible.Continue Learning
Methods of Separation
In our daily life, there are many instances when we notice a substance being separated from a mixture of materials.
For example - Tea leaves are separated from the liquid with a strainer, while preparing tea.
So, there are various ways to separate the materials or substances.
Simple methods of separating substances that are mixed together. Continue Learning
There are many changes are taking place around us on their own. In the fields, the crops change from time to time. Sometimes, leaves fall from trees, change colour and dry out. The flowers bloom and then wither away.
While a balloon blow the shape and size of the balloon have changed. When you use a paper sheet the sheet changed into a toy aeroplane. Continue Learning
There are various plants surrounding us. Some of have green leaves, while some others have reddish ones. Some have huge red flowers; some have tiny blue ones, while some have none.
There are various plants surrounding us. Some of them are much smaller than us; some of them are about our size, and some of them which are much taller than us.
The plants with green and tender stems are called herbs. They are usually short and may not have many branches.
Some plants develop branches near the base of stem. The stem is hard but not very thick. Such plants are called shrubs. Continue Learning
There are so many movements happen in our bodies. We can observe the movements taking place in our body.
There are so many movements that happen in our bodies.
Walk, run, fly, jump, creep, crawl, slither and swim − these are only a few of the ways in which animals move from one place to another.
Bend your arm at the elbow and the leg at the knee. Stretch your arm sideways. Bend your arm to touch your shoulder with your fingers. These all are the movements of the body parts. Continue Learning
There are many kinds of Living organisms. They different from one another, some were cold, some very hot and dry, and some places so humid.
There are various kinds of living organism seem to be some creatures like ants that were present in all these different locations. The kinds of plants found in each of these regions were so different from the plants of the other regions. Continue Learning
There is a long year ago people did not have any means of transport. They used to move only on foot and carry goods on their back.
After that there has the invention of the wheel made a great change in modes of transport. The design of the wheel was improved over thousands of years. Animals were used to pull carts that moved on wheels.
The invention of steam engine led to the development of new means of transport. Railroads were made for steam engine driven carriages and wagons. Continue Learning
The torch bulb is an object that gives out light of its own. The Sun, is another familiar object that gives its own light. During the day, its light allows us to see objects. Objects like the sun that give out or emit light of their own are called luminous objects.
If we cannot see through an object at all, it is an opaque object. If you are able to see clearly through an object, it is allowing light to pass through it and is transparent.
There are some objects through which we can see, but not very clearly. Such objects are known as translucent. Continue Learning
We are using electricity for many purposes to make our tasks easier and fast to work. Electricity makes it possible to light our homes, roads, offices, markets and factories even after sunset. A power station provides us with electricity.
Electricity to the bulb in a torch is provided by the electric cell. Electric cells are also used in alarm clocks etc.
There is a positive (+) sign and a negative (−) sign marked on the electric cell metal cap is the positive terminal of the electric cell. The metal disc is the negative terminal. All electric cells have two terminals; a positive terminal and a negative terminal. Continue Learning
Magnets are the object that attracts the irons to stick with that. Magnetite contains iron. The substances having the property of attracting iron are now known as magnets.
The natural magnets were discovered so such rocks were given the name magnetite, Later on the process of making magnets from pieces of iron was discovered. These are known as artificial magnets.
The materials which get attracted towards a magnet are magnetic − for example, iron, nickel or cobalt. The materials which are not attracted towards a magnet are non-magnetic. Continue Learning
There is various use of water. Apart from drinking, there are so many activities for which we use water.
We may use a mug, a glass, a bucket or any other container to measure the amount of water used also we need water not only for our daily activities but also for producing many things.
We can get water from many sources like water from a river, spring, pond, well or a hand pump. Some others might say, ‘We get water from taps‘. Continue Learning
Air present everywhere around us. Air has no colour and one can see through it. It is transparent.
The earth is surrounded by a thin layer of air. This layer extends up to many kilometers above the surface of the earth and is called atmosphere. Continue Learning
When we use the grains, pulses, biscuits, milk or oil purchased in shops, are packed in plastic bags or tins. All these wrapping material go out as garbage.
We generate so much garbage in our day-to-day activities
When the Safai karamcharis collect the garbage in trucks and take it to a low lying open area, called a landfill.
The garbage has both useful and nonuseful components. The non-useful component is separated out. It is then spread over the landfill and then covered with a layer of soil. Once the landfill is completely full, it is usually converted into a park or a play ground. Continue Learning