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Interactions of materials word wall words
Chemistry
20
Chemistry
9th Grade
01/19/2016

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Term
matter
Definition
Materials, substances, chemicals and "stuff"
Term
chemists
Definition
Scientists who investigate matter and the chemical interactions of matter
Term
chemical interaction
Definition
A process resulting in at least one new material
Term
physical interaction
Definition
A process that does not result in any new materials
Term
physical change examples
Definition
Variations in temperature, texture, size or shape
Term
property
Definition
A description of how a material interacts with other things, like your senses and measuring instruments.
Term
indicator
Definition
A substance which changes color under certain conditions such as BTB
Term
flame test
Definition
Observations gathered using glowing or burning splints as evidence of the presence of certain gases.
Term
characteristic properties
Definition
Measurements (numbers) that are different for different kins of materials (specific to the material)
Term
density
Definition
The mass of a standard unit of volume of a substance
Term
evidence
Definition
The data collected by the researcher
Term
chemical property
Definition
A description of how the material interacts chemically with another material like whether or not it is flammable.
Term
Flammability
Definition
A chemical property of materials testing its ability to combust.
Term
reactant
Definition
An original substance in a chemical reaction
Term
product
Definition
An end (or new) substanace in a chemical reaction
Term
reaction
Definition
A chemical interaction
Term
catalyst
Definition
chemical involved in speeding up the rate of a reaction
Term
carbon dioxide
Definition
Gas which does not support combustion and turns BTB yellow
Term
oxygen
Definition
Gas which does support combustion and has no effect on BTB
Term
chemical equation
Definition
Shows the reactants and products involved in a reaction using chemical formulas
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