GSEB Solutions for Class 6 Science and Technology – States of Matter (English Medium)
We find the change in the shape of water (liquid matter) and smoke (gaseous matter).
There is no change in the shape of solid stone (solid matter).
The water overflows from the glass and falls into the plate. The glass is filled with water completely. On putting stone into the water, water equal to the space occupied by the stone is displaced.
Water gets spilled out of the glass.
The glass is filled completely with water. Hence, if additional water is added then it cannot be accommodated in it.
On blowing air in the balloon, it inflates. The balloon inflates to accommodate more air.
We can conclude that every matter in solid, liquid or gaseous state occupies space.
While making powder from the chalk piece, the chalk gets converted into fine particles.
While spaying water, water gets converted into innumerable small particles.
While keeping the saucer on the smoke coming out of the flame, fine particles of black carbon get stuck on the inner wall of the saucer.
The thermolcol balls which are filled in all three glasses start jumping to somewhat less or more and displace in the intra molecular space in-between.
In the third glass, the balls jumped the maximum.
In the first glass, the balls jumped the minimum.
We can observe that the smoke of incense stick spreads in a test tube, a transparent glass bottle and a transparent glass in the space available.
The ice in the bowl started melting and got converted into water.
Water becomes hot and as more heat is supplied, it gets converted into vapour.
We can see droplets attached to the lower side of the saucer.
The gas has a property to diffuse. When the incense – stick is ignited, fragrant particles are released in the form of gas. Hence, these fragrant particles spread all over the room quickly.
Water is in liquid state and liquid has the property of fluidity. Hence, water fallen on the floor spreads slowly all around.
The coconut oil gets frozen in winter. To remove it out, we have to keep it in sunlight or near the burning stove; so that, it will get liquefied.
We can see water droplets attached to the inner surface of lid. The water taken in the vessel to cook food becomes hot and gets converted into steam. The steam cools down on touching the inner surface of the lid and gets converted into droplets.
In summer, the atmosphere is hot. If more time is taken to eat kulfi, ice-cream or a crumbled ice-ball, the atmospheric heat gets absorbed in the kulfi. Due to this, it gets melted into liquid form. Thus, solid ice-cream gets melted into liquid form in summer.