## Prologue: density

##### Created by:

Nicky_Valentina13  on October 3, 2010

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# Prologue: density

 Direct relationships meansas one variable increases the other increases
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#### Definitions

Direct relationships means as one variable increases the other increases
As pressure increases density increases (molecules move closer together)
Density is how close or compact the molecules are
As temperature increases density decreases ( molecules spread out) and volume increases (that is why heat rises!)
Dynamic equilibrium means balance or equal
Inverse relationships means as one variable increases the other decreases
Cyclic relationships means variables repeat and are predictable (ex Moon,Phases, Tides, and Seasons)
Water has a density of 1.0 g/cm3 when it is still a liquid at 4 degrees celcius
For objects with densities less than 1, the lower it is The higher it floats
Density triangle cover up the variable you want to solve for.
As water freezes it becomes less dense (That is why ice floats)
The same objects have the same density NO MATTER WHAT SIZE

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