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states of matter

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Mikayla Ellis

on 19 March 2013

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Transcript of states of matter

Solids solids keep its shape and volume. particles are cloesly packed together. particles stay in place, but move slightly back and forth EX....... Liquids has a fixed volume and no shape. particles are still closely packed in a liquid. particles of liquids move faster than soilds, but not as fast as gases EX....... Water Gases high temperatures, particles push against the walls of the container hard and often this causes pressure to build as the volume of a gas gets larger , the pressure gets higher . gases take the volume and shape of its container.gas particles move fast.when the particles of a gas lose thermal energy , they move slower. EX...... Oxygen solid liquid gas video Freezing making ice cubes from liquid water to a soild ice cube heat is removed and the particles slow down Vaporization puddle drying up takes place when the particles in a liquid gain enough energy to form a gas EXAMPLE............ Melting ice cubes turning to water if heat is added causes particles to move faster example............. Condensation take place when the particles of a gas lose enough thermal energy to form a liquid Sublimation direct change from a solid to a gas ex. water from water bottles ice-cream example: ice cubes freezing laundry on a clothes line will dry (by evaporation) dry ice is in the bowl soccer ball States of Matter By:Mikayla Ellis 7* class Atoms An atom is the basic particle from which all the elements are made different elements have different properties because their atoms are different. example: pencil lend Elements an elements is a pure substance that can't be broken down into any other substances by chemical or physical means, elements are the simplest substances example aluminum bat compound A compound is a pure substance made of two or more elements chemically combined in a set rato. A compound may be represented by a chemical formula, which shows the elements in the compound and the ratio of atoms example: Mixture Heterogeneous In heterogeneous mixture, you can see the different parts.the damp soil described above is one ex. of a heterogeneous mixture... Example: Salad Mixtures Homogeneous The substances in a homogeneous mixture are so evenly mixed that you cant see the different parts Example:teaspoon of sugar The difference between the mixtures (homogeneous and heterogeneous) Homogeneous is so evenly mixed that you cant see the difference of the parts Heterogeneous so you can see the different parts of heterogeneous. Example: between homogeneous & heterogeneous is one is salt and salad toms A an atom is the basic particle from which
all elements are made of. Potential & Kinetic energy *Potential Energy is stored
in a person or object... * Kinetic Energy is the energy of moving matter.... conservation energy the principle that in a system that does not undergo any force from outside the system, the amount of energy is constant, irrespective of its changes in form. Energy Transfers Various solutions for heat transfer are used in most industrial processes. Heat exchangers, which heat or cool by transferring heat from one fluid to another, are of vital importance for efficiency in the entire manufacturing process. Speed & Direction
(motion) speed- is how fast or slow something is.. Direction-the line along which anything lies, faces, moves, etc., with reference to the point or region toward which it is directed The End
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