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| A study of the properties of matter the changes that it can undergo; the laws that describe these changes |
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Anything that has mass and takes up space
Ex: Air,smoke,salt,rocks |
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Makes something move
Ex: heat, electricty, light |
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Liquid, Gas, Solid, and Plasmas.
*5th is not included because not on test* |
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Phase of matter with a definite shape and a definite volume
Ex: Rock,ice |
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| Phase of matter with a definite volume, but NO definite shape |
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| Phase of matter with no definite volume or shape |
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Solid to a liquid
Ex: ice to water |
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Has electrically charged particals
Ex: Used in neon signs |
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Liquid to a gas
Ex: water -->to water vapor
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Liquid to a solid
Ex:H2O to ice
(water)
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Solid to a gas
Ex: Iodine Crystals ---> to a gas
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Smallest particle of a type of matter that has all of the same characteristics as that type of matter
Ex: Everything is made up of atoms |
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| A part of the atom that has a positive charge; found in the nucleus |
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| A part of the atom that has a negative electrical charge; orbits around the necleus |
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| A part of the atom that has neither a positive or negative charge; is found in the nucleus |
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| Two or more atoms with the same atomic number but different atomic masses |
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A compund is a substance made of linked-up atoms.
MI: The elements in the compoundlose thier own properties
MI- More information |
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| A molecule is the samllest part of a compound that still has the properties of that compound |
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| Sometimes two or more substances are mixed together. They do not combine chemically. They do not make a compound. They make a MIXTURE. |
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| A physical change does not change the way the atoms are linked up. The substance may look different, but no new subtance has been form. |
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| In a chemical change, matter changes from one kind of material to another kind of material. The atoms that make up the material DO NOT change. |
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