Posts

Material and it's properties

Image
Material - It is a physical substance from which things are made. Everything around us made up of something that is known as material. All these objects shown in picture are made up of one or more materials. Ex. metal, plastic,wood etc. Sometimes an object is madeup of a single material , an object could also be made of many materials and one material could be used for making different objects. It depends on the property of material and the purpose for which object used. For eg. A tumbler is never made up of a piece of cloth because it cannot hold water. So to make tumbler we need glass, plastic or any other material that can hold water. Properties of material 1. Appearance-  The look,feel, texture, colour and luster defines the appearance of material. Example- wood looks different from iron. Iron appears different from copper. 2. Hardness-   It is the property which enables it to resist plastic deformation by penetration. Material whic...
1 comment
Read more

Fibre to fabric

Image
Fabric or cloth is made up of yarns or thread . Yarn us further made up of still thinner strands called fibre. Fibre is of two kinds. 1. Natural fibre-   Fibre that is obtained from plants or animals is called natural fibre. Fibres obtained from plants are cotton, jute,flax. Fibres obtained from animals are wool,will 2.Synthetic fibre-   Fibres made from chemicals other than plants or animals are called synthetic fibre. Example- polyester,nylon, acrylic. Lets describe natural fibres in detail 1. Cotton Scientific name- Gossypium hirsutum It is a plant based natural fibre that grows in fields. These plants are usually gro wn at places having black soil and warm climate.It is grown in Punjab, Maharashtra,Gujarat,Tamil Nadu,Rajasthan etc. It is a soft, fluffy fibre that grows in boll.After maturing,the bolls burst and cotton is picked by hand.Fibres are then separated from seeds by combing.This process is called ginning of cotton. 2. ...
3 comments
Read more

Food - What is it ?

Image
Food- It is a substance that we eat. It consists of essential nutrients like protein, carbohydrates, fats and minerals that are needed by our body to nourish it.   Importances of food 1. It provides essential nutrients to our body. 2.It provides energy to our body for performing activities. 3.It helps in the growth of our body. Food variety  - There is so much variety of food that we eat in our daily life. It means eating different food at every meal, every day all the time. It differs from region to region.     Importances of food variety 1. Eating a variety of food makes sure that we do not get bored with eating. 2.It ensures that we get all the nutrients that we need because no single food contains all the nutrients. 3.It prevents us from getting an excess of one nutrient. Ingredients-   Food that we eat after cooking is made up of many materials which are known as ingredients. For ex.  dal is made up of pulses,water,oil and spices. Sour...
6 comments
Read more

Knowledge

What is knowledge ? Meaning of knowledge- It states the facts, information and skills which acquired through experience or education. It is also a state of knowing about something or being aware about something. Sources of gaining knowledge There are many sources of gaining knowledge. Some of them are- 1.Life experience 2.Social customs and tradition 3.By research 4.Reading books 5.Journal 6.Experimentation and Observation 7.Communication with people 1. Life experience - As we grow old, number of incidents take place in our daily life which teaches us about many knowledgeable things. 2. Social customs and tradition - In our today's life, not much value is given to our customs and tradition.But nobody knows that these are also interesting and knowledgeable.These tells us about our ancestors and their livelihood that may be proved as useful in our daily life. 3. By research- It is one of the best way of gaining appropriate and unlimited knowledge at a time. 4. From books-   Book...
5 comments
Read more