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Earth Science Terms 3
Matter and Minerals
15
Science
12th Grade
10/24/2010

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Term
MATTER
Definition

Anything that has

Mass + Volume

Term
MIXTURE
Definition

This contains

two or more

substances

mixed together,

but not chemically

...COMBINED...

Term
PURE SUBSTANCE
Definition

This is made up of only

one kind of matter.

Term
ELEMENT
Definition

A substance

that cannot be

broken into simpler

substances by ordinary

chemical means.

Term
ATOM
Definition

The smallest particle

of an element

that contains the

chemical identity

of that element.

Term
COMPOUND
Definition

A substance

that contains

two or more elements

that are chemically combined.

Term
MOLECULE
Definition

The smallest part

of a compound that still

has all the properties

of the compound.

Term
CHEMICAL BOUND
Definition

The force that holds

two atoms

together.

Term
SOLID
Definition

This has a definite

volume AND a

defeinite shape.

Term
LIQUID
Definition

This form has a definite

VOLUME

BUT NOT

a definite shape.

Term
GAS
Definition

This form does

not have a definite volume

nor a definite shape.

Term
MINERAL
Definition

A substance that is solid,

has a definite

chemical composition,

occurs naturally,

is inorganic

and has a crystal structure.

Term
CRYSTAL
Definition

A repeating pattern

of atoms in a mineral

that are arranged

in a definite

pattern.

Term
NATIVE ELEMENT
Definition

A mineral

composed of only

one element.

Term
SILICATES
Definition

Minerals that contain

silicon and oxygen,

along with one

or more metals

(such a aluminum or iron).

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