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PURE SUBSTANCE/MIXTURES
unit C review cards
33
Education
Beginner
02/08/2017

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Term
Pure Substance
Definition
made up of only one type of matter
Term
Matter
Definition
anything that takes up space and has a mass
Term
Mixture
Definition
made of two or more different substances
Term
Solid
Definition
matter that has a definite shape and volume
Term
Liquid
Definition
matter that does have a definite shape but does have a definite volume
Term
Gas
Definition
Matter that does not have a definite shape or volume
Term
Homogeneous
Definition
appears uniform throughout
Term
Mechanical Mixture
Definition
does not have the same appearance throughout
Term
Heterogeneous
Definition
Also known as a mechanical mixture- made of many substances
Term
Solutions
Definition
have the same appearance throughout, but are made of two or more substances, also known as HOMOGENEOUS MIXTURES
Term
Particles
Definition
very small portions of mattter
Term
Particle Theory of Matter
Definition
A theory that describes matter- and the behaviour of solids, liquids and gases
Term
USE EITHER: different a mixture a pure substance identical

The particles of a pure substance are _______.
Definition
Identical
Term
USE EITHER: different a mixture a pure substance identical

The particles of a mixture are ______
Definition
Different
Term
USE EITHER: different a mixture a pure substance identical

The composition of most foods can be classified as _______
Definition
A Mixture
Term
USE EITHER: different a mixture a pure substance identical

Oxygen and carbon dioxide are each classified as ______________
Definition
A pure substance
Term
There are ________ postulates of the Particle Theory of Matter
Definition
6
Term
Kinetic energy
Definition
Energy of movement
Term
Temperature
Definition
measure of average kinetic energy
Term
Heat
Definition
energy that transfers from substance at a higher temperature to one at a lower temperature
Term
Changing states (of matter)
Definition
change from physical state of matter (solid, liquid or gas) to another.
Changing temperature of matter in one state can cause it to change to a different state
Term
NAME THAT CHANGE:
Solid to Liquid
Definition
melting
Term
NAME THAT CHANGE:
Liquid to Solid
Definition
freezing (solidification)
Term
NAME THAT CHANGE:
Liquid to Gas
Definition
evaporation
Term
NAME THAT CHANGE:
Gas to Liquid
Definition
condensation
Term
NAME THAT CHANGE:
Solid to Gas
Definition
sublimation (BONUS!)
Term
NAME THAT CHANGE:
Gas to Solid
Definition
deposition (BONUS!)
Term
[image]
NAME THIS STATE
Definition
Liquid
Term
How are the particles arranged in this state?
[image]
Definition
father apart
weaker force
some vibration
Term
NAME THIS STATE
[image]
Definition
Gas
Term
How are the particles arranged in this state?
[image]
Definition
very far apart
very weak force
lots of vibration and movement
Term
NAME THIS STATE
[image]
Definition
Solid
Term
How are the particles arranged in this state?
[image]
Definition
close together
strong force
fixed structure
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