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Topic 1 Vocab

Matter

QuestionAnswer
Atom A particle that is the smallest and most basic part of an element.
Atomic Theory The idea that everything is made of small particles called atoms.
Compound A matter made of two or more elements, such as water, oxygen or salt.
Molecule The smallest particle of a compound that is made out of atoms.
Temperature The measure of how hot or cold something is.
Mass The amount of matter an object has.
Volume The amount of space an object takes up.
Solid Matter with a definite shape and volume that is made of vibrating particles.
Physical Change A change in traits- such as color, size and shape- that does not change what the substance is made of.
Chemical Change The process where one or more kinds of matter changes into one or more different kinds of matter.
Chemical Reaction A change where one or more substances are turned into one or more different substances, usually caused by heat or mixing new substances.
Conservation of Matter The scientific law that matter cannot be made or destroyed, only transferred and changed.
Liquid Matter with a definite mass but no definite volume where particles easily slide around each other.
Gas A form of matter that does not have definite shape or volume.
Solution a mixture in which substances are spread out evenly and do not settle in the bottom of the container.
Mixture Different materials are placed together, but each material in the mixture keeps its own properties.
Created by: Mscrochunis
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