States of Matter (Liquid)

In the liquid state the molecules are far apart from each other.
The intermolecular space(distance between the molecules ) is lesser than the gaseous state but more than the solid state.Due to the space between the molecules,the liquids can be compressed .
Liquids attain the shape of the container in which they are kept.

Liquids have:
1.Definite volume
2.No fixed shape.

Liquids flow and shape changes.they are not rigid so they are called FLUIDS.
water ,juice,Ink,Soup are the examples of liquid.

We are aware of the fact that many animals like fishe,sea horse,whales like inside the water.They are marine animals .They breathe in Oxygen dissolved in the water.Oxygen is a gas and dissolved in water due to intermolecular space in the liquid state.

All state of matter dissolve in liquids.

Examples:

Diffusion of solid in Liquid:
Sugar in water

Diffusion of liquid in liquid :
Lemon juice in Water.

Diffusion of gas in liquid :
Oxygen in water(Sea Water).


Examples are very important in science.Initially think about science around your own self, Once there is understanding of the concept..move towards the science lab.Know more about Copper sulphate,Potassium permaganate...and so on!!

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Temperature & Molecules

Temperature and Molecules

What is the afffect of temperature on the molecules of all the states of matter i.e Solid State ,Liquid State and Gaseous State.

Basically ...As the Temperature rises,the Kinetic Energy of the molecules increases
                 As the kinetic energy increases the molecules starts moving .
                 Initially the movement is slow but with the increase in temperature it becomes vigrous.
                
Let us understand the effect of temperature on the solid state.

Ice is  a solid state.Take a piece of ice out of the refrigerator .Put it on a plate.Observe.It will start melting.It is due to the increase in the temperature.In the refrigerator the temperature is low ,outside temperature is high ,so the Kinetic energy of the molecules increases to such a extent that it changes its form of matter.It change itself  from the solid state to the liquid  state.

If the same lump of ice is heated in a pan ,the conversion of that piece of ice into liquid form will be early.
The molecules receive more heat from the external souce,start vibrating more vigrously thus leaving the solid state and getting converted into the liquid state.

The temperature at which the solid meits and change into the liquid form is known as MELTING POINT.

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States of Matter (Solid)

The Solid State

Matter exists in three forms :

1.Solid
2.Liquid
3.Gas

How these states can be differentiated ?

Unique properties of solids:
1.Definite Shape
2.Definite Volume

Pen Book,Needle ,Wood piece are all examples of solid state.

The molecules in the solid state are tightly packed.There is negligible space between the molecules in the solid state.Since there is no space between the molecules it cannot be compressed .Therefore the shape remain intact .

As the force is applied on the solid ..it tends to break.try to change the shape of  a wooden plank..its shape cannot be changed but if more force is applied to it then it can be broken.Its difficult to change the shape.The solid state is the rigid state with define volume.

Take the example of your book .Keep your book anywhere it will remain as such...Its shape will not change whether you keep in your almirah or your school bag.Its volume will also remain the same.(Length ,breadth and height of the book will not change)

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What is Matter?

What is MATTER ?
Matter is anything that has:
1. Weight
2.Occupies Space

It means that anything that has volume and weight is matter.Weight means that itat thing acn be weighed on a weighing scale.Volume implies that it occupie space.

Stones ,clouds,Stars Planets,Plants Animals Food,Water,Gases around us...even  asmall speck of sand is also matter.

Physical nature of matter:-
Matter is made up of particles,how small are the particles is beyond imagination.Put a drop of Dettol in half bucket of water.What is the observation?You can smell Dettol after a few seconds.Add water to the bucket.Can you smell Dettol now?Yes ...It implies that the small particles of Dettol are imparting its characteristics to water..even if the quantity of water is increased.

Characteristics of Particles of Matter :
1.Particles of matter have SPACE between them.
2.particles are CONTINUOUSLY MOVING.
3.Particles of matter ATTRACT each other.

In the above experiment we observe that the particles of Dettol are imparting their characteritic to water...They get dissoved in water without increasing the level of water ignificantly.Where do the particles go?Which space do they occupy?
They dissolve in water.The particles of Dettol get diffused in the particles of water.Particle of one type of matter ocupies the space betwee the particles of other type of Matter .

Eczema

Eczema is a condition in which red boils/pimples can occur all over the body and the patient tends ti itch at the affected portion. In some cases the eczema occurs at the joints like the arms, legs, neck, etc. In other cases, the red eruptions can occur all over the body and also on the head. The reason why it occurs may be extreme cold condition or the allergy in response to particular type of food intake. Boils are really itchy and make the kids irritated and parents frustrated. They cannot sleep properly and calmly throughout the night and always remain in a cranky and crying mood. A frustrated and cranky makes for 2 cranky and frustrated parents. Happy, cool and calm kids result in cool and happy parents. The parents state of mind is directly proportional  to the kids state of mind.


Now let's have a look at the remedies -
1. Get some fresh Neem tree leaves and boil them in water. Let the water cool down and then give bath to your kid in that water. The Neem leaves reduce the infection and moisturize the skin. After the bath apply some coconut oil on the body for further relief. This reedy is in use since ancient times. Continue the Neem baths and applying the coconut oil till the eczema is completely removed.

2.Buy a herbal Neem soap from the stores and use it for bathing the kid daily till he feels fine.

3. Add 2-3 drops of Neem oil in the bath water.

All the above methods are good however the 1st method is the most effective and will cure even a harsher attack of Eczema.

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