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matter
6th grade science
27
Science
Not Applicable
10/27/2004

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Term
plasma
Definition
a phase of matter;avery hot gas consisting of electrons and atoms that have been stripped of their electrons because of high kinetic energies.
Term
element
Definition
a substance made of only one kind of atom
Term
matter
Definition
"something that makes up the substance of anything; that which is physical and material."
Term
conduction
Definition
"the transfer of heat from a region of higher temperature to a region of lower temperture by increased kinectic energy moving from molecule to molecule"
Term
malleability
Definition
"the ability of a substance to be hammered or beaten into thin sheets"
Term
chemical change
Definition
"Any change that alters the chemical properties of the atoms or molecules in an object"
Term
solid
Definition
"having definite firm shape and volume"
Term
evaporation
Definition
"tp convert into vapor
Term
boil
Definition
"to raise the temperature of water or other liquid until it evaporates"
Term
condensation
Definition
"to change to a denser form ex. from gas to liquid"
Term
compound
Definition
"made up of two or more parts"
Term
ductile
Definition
"can be drawn or hammered thin without breaking"
Term
conducts
Definition
"to transmit or convey"
Term
brittle
Definition
"easily broken of shattered"
Term
metal
Definition
" a category of opaque, fusible,and ductile, elements"
Term
nonmetals
Definition
an element lacking the characteristics of a metal, as oxygen, carbon, nitrogen,fluorine.etc.
Term
metalloids
Definition
has characteristics of metal and a non metal and can conduct electricity if the temperature if right
Term
homogeneous mixture
Definition
not easily separated
Term
hetergeneous mixture
Definition
easy to separate-has larger parts that are different from each other.
Term
chemical change
Definition
"the matter is changed chemically and shows different physical and chemical properties after the change"
Term
mixture
Definition
"a combination of compounds and elements that has not formed a new substance whose proportions can be changed without changing the mixture's identity"
Term
liquid
Definition
"has definite volume but not definite shape"
Term
gas
Definition
the fluid form of a substance-can expand indefinitely
Term
freezing
Definition
"when a liquid becomes a solid"
Term
melting
Definition
"when a solid becomes a liquid"
Term
sublimation
Definition
When a solid becomes a gas
Term
melting
Definition
"when a solid becomes a liquid"
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