examples of liquid, solid and gaseous expansion?

Answer 1

Good old fashioned water is the best and easiest.
As water turns to ice it expands by 10%. That is why ice floats.
As water heats from 0C to 100C there is an expansion of a few percent. That is why hot water rises and cold water sinks, creating the Global Ocean currents.
When water turns to steam, it can greatly expand and exert great pressure if contained.

Answer 2

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An explosion happens when something produces a lot of heat and/or gases in a very short time. In many cases this "something" is a chemical reaction. Gases are the least dense state of matter. In many cases the gaseous phase of a substance is about 1000 times less dense than the solid or liquid phase of the same substance. That means that a certain mass of a gas takes up 1000 times more space than the same mass of a solid or liquid. When a gas is produced very rapidly by a chemical reaction, it expands very quickly and can carry things in its path with it. If the gas is confined inside a rigid container and cannot expand, the pressure rises instead. The preassure becomes astronomical until the container can no longer hold it, and then it breaks free and begins its expansion. If the reaction produces a lot of heat as well as a lot of gas, that just drives the explosion process. Gases take up even MORE space and exert even MORE pressure at high temperatures. I hope that helps. Good luck!

Answer 3

Liquid expansion - The best example is liquid mercury in thermometers...

Solid- Expansion of an iron rod on heating.

Gas - All gases expand on heating.
U can check this out by throwing a crushed( not punctured) ping pong ball into hot water. the ping pong ball will regain its shape.. So u could just say gas trapped inside a ping pong ball is a good example.

Answer 4

Take ice as an example.

If we were to heat ice, it would melt and turn into liquid water...this is something that we call a phase change. If we heat that water , then it will evapourate and form water vapour.

Do you see when in ice form, the water molecules are packed closely to form a dense structure, which is the actual ice.

Now, when that ice is subjected to heat, the molecules start vibrating faster and faster, until it reaches a "melting point" and then the distance between the water molecules increases which leaves us with water.

The same thing can be said when we heat water. The distance between the molecules further increases and ends up as water vapour as the water reaches its boiling point.

If we reverse the process, by cooling down the gas, we end up with a liquid, and if we cool the liquid, then we get a solid.

Expansion - > heat
Contraction -> cold

Answer 5

All the three expand on heating and compresson cooling.

EXAMPLES

Solids :
the railway tracks are placed leaving small gap as in summer the solids expand then the gap is filled otherwise the trains falldown.
When you sprinkle water on the glass of Chimney the it will break due to uneven contraction.

Liquids :
When you heat liquid the level of liquid increases. This is seen in cooling also.

Gases :
If you heat the gases the the molecules expand and it results in expansion of volume and vice versa in cooling.

Hope you understand this.

Answer 6

They all expand when heated.

Answer 7

stuff happens