Chemistry Quiz Sections 1.2 & 1.3

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20 Terms

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malleability

The ability of a substance to be hammered into thin sheets

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ductility

The ability of a material to be stretched in the long thing wires

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Control group

The group of samples not exposed to the independent variable

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physical properties

characteristics that describe matter including characteristics such as size, shape, color, and mass

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conductivity

The ability of a material to transfer heat or electricity between its particles

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density

The amount of matter packed into a given volume

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reactivity

how likely or vigorously an atom will react with other substances or in the presence of other substances

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Controlled experiment

An experiment in which only one condition changes at a time

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experiment

in orderly process to observe phenomenon, ideally under controlled conditions

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toxicity

How much damage a substance will due to a particular organism

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Chemical properties

characteristics that describe how a matter changes its chemical structure or composition

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pure science

Using science to understand how and why things work

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worldview

the perspective from which a person sees and interprets all of life

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experimental group

the group of samples exposed to the independent variable

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dependent variable

the variable in a controlled experiment that changes in response to variations in the independent variable

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variables

factors that change

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trials

repeated experiment season multiple samples; more trials provide more conclusive results

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independent variable

The variable in a control experiment that is purposely changed by the scientist

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flammability

how likely a substance Will burn or not

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Applied science

using science to solve real world problems