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studying materials scientifically
vocabulary review
19
Science
7th Grade
10/13/2009

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Cards

Term
Chemical Properties
Definition
traits of a substance that you see if it reacts in certain ways with other chemicals
Term
Conductivity
Definition
the ability of a substance to transmit a flow of electicity
Term
corrosive
Definition
liquids that chemically wear away at solid materials
Term
density
Definition
the mass- per- unit volume of a substance
Term
evidence
Definition
information gained which can be used to formulate an idea
Term
flammable
Definition
liquids that catch on fire when exposed to a spar, flame or heat source
Term
hazardous material
Definition
something that causes harm
Term
mass
Definition
how much matter is in the object
Term
miscible
Definition
when a liquid mixes with water
Term
mixture
Definition
a combination of two or more pure substances that can be physically separated
Term
precipitate
Definition
a solid that forms in the presence of some chemical reactions
Term
qualitative observation
Definition
not based on measurements
Term
quantitative measurements
Definition
uses measurements (data)
Term
reactivity
Definition
the ability of a substance to react chemically with another substance
Term
trade off
Definition
the act of giving up one thing to gain another
Term
volume
Definition
the amount of space a material takes up
Term
weight
Definition
a measurement of a gravitational force between two objects
Term
physical properties
Definition
characteristics that can be observed or measured without changing into something else
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