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Chemistry & Ecology Review (Matter Units 1-3)

Horizontales
Mass divided by volume
Observations that involve numerical data
The temperature at which a liquid begins to evaporate
A good or educated guess
One who studies things that can be observed, measured, & tested
Metric system unit for weight
How much of something there is
Changing only one variable at a time in an experiment
Law that states the volume of a gas decreases as the pressure increases if temperature is kept constant
How much space the matter takes up
Observations that do not involve numbers
One that can be measured, studied, & tested without changing what kind of matter is being studied
Verticales
Law that states the volume of a gas increases as temperature increases if pressure is kept constant
A logical, systematic approach that involves observing & testing to gain knowledge
Movement of molecules from an area of higher concentration to an area of lower concentration
Ability of matter to float
When a substance changes from one physical state to another
Anything that has mass & takes up space
One that describes how a substance reacts with other substances
A controlled test to see what happens in a certain situation
A measurement of how strongly a liquid's molecules are attracted to each other
The temperature at which the substance melts
A measure of how strongly one thing is attracted to another by gravity
Molecules flow over each other & move around freely
Molecules are packed tightly together & do not move very much
Molecules are far apart from each other & move very quickly