i need help on physical science, i am in 8th grade

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what is a gas, a liquid, and a solid, could you tell me what each one is and an example please.

Oct 27th, 2015

Thank you for the opportunity to help you with your question!

Simple Definitions

Solid - This has a fixed shape

Liquid & Gas - Take the shape of the container -  i.e. Does not have a  fixed shape

Definitions Using the Kinetic Theory of Matter

Solid is a closely packed matter having its particles vibrate at its own position. Foe example Block of ice. Thus they have very long kinetic energy due to their particles interacting very closely

Gasses have their particles very far apart that are moving at  a very high speeds. Thus the interaction of bonds is weaker. For example Oxygen. Gases have high kinetic energy

Particles in liquids are loosely packed  making them collide and slide over one another thus thy have moderate kinetic energy. For example,  Water

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 27th, 2015

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