What is matter Select a lesson
 

Physical and chemical changeDefine matterWhat are solidsWhat are liquidsWhat is a gaschange of state in matterThe bahaviour of matterPhysical change in matterChemical change in matter.html
characteristics of solidsNOTES
Compressing something means forcing the atoms in it closer together. When you compress something, you force the atoms closer together.

 

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What is a liquid?


The particles in liquids are not as closely bonded, arranged and fixed in place as in solids. The particles in liquid can flow freely and can mix with particles from other liquids. Liquids have their atoms close together, so they are not very easy to compress

Liquids, unlike gases are pulled by gravity to the bottom of the container holding it. They take the shape of the container holding it. You can pour a volume of liquid from one container to the other — it can change shape but the volume will be the same.


arrangement of particles in a liquid

Characteristic of particles in liquids.


The particles are:
characteristics of solidsclose together, but not as packed as in solids. (They cannot be compressed or squashed)
characteristics of solidsarranged in a random way.
characteristics of solidsmove around each other (They flow and take the shape of their container because their particles can move over each other)
characteristics of solidsthe bonds in a liquid are strong enough to keep the particles close together, but weak enough to let them move around each other.

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What is condensationevaporation


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