1. Why are you a scientist named matter?
Everything is in this universe made up of material which scientist have named matter. The air we breathe, the food we eat, stone cloud star planet and animals, even a small drop of water or a particle of sand.
2. Five essential elements of matter name what are called Pancha tattva?
Early Indian philosophers classified matter in the form of Five essential elements the Panch that air, earth, fire, Sky, and water.
Two types of classification of matter
Physical properties and chemical nature
1. Physical nature of matter
The matter is made of particles
For a long time, to the school of thought prevailed regarding the heart of the issue. One school believe the case to be continuous like a block of wood where is the other idea that point was made up of particle-like sand
Activity
Take a 100ml beaker and fill half the beaker with water and mark the level of water and dissolve some salt and sugar with the help of Glass Rod and observe any change in the water level and what do you think has happened to the salt and where does it disappear and does the level of water change.
Characteristics of a particle of matter
A particle of matter have space between them
A particle of matter are continuously moving
Activity
But an unlit incense stick in the corner of your class, how close do you have to go near it so to get it to smell and now light the inches stick what happened? Do you get this more sitting at a distance and record your observation
A particle of matter attract each other
Activity
Play this game in the field make 4 group and four women change as to suggest, and the first group sold hold each other from the back and lock arms like idu miss my dancers. And the second group should hold hands to form a human chain. The third group field from each and by touching each other with only their fingertips, and now the fourth group of the student should Run around and try to break the three human chain one by one into as many small groups as possible and which group was the easiest to break why and if we consider each student as a particle of the matter then in which group the particle held each other with the maximum force.
State of matter
Observe the different type of topic around you what are its other countries we can see that matter around us exist in three different countries solid liquid and gas this state of matter arise due to to the variation in the character of the particles of matter
Activity
Collect the following articles a pen, a book, a needle, and a piece of a wooden stick and sketch the shape of the above themes in your notebook by moving a pencil around them and do all these have a definite shape, distinct boundaries, and a fixed volume and what happens if they are hammered pulled or dropped and this capable of diffusion into each other and try compressing them by applying force are you able to squeeze them
You must be logged in to post a comment.