Mixtures
This type of mixture is not evenly distributed
heterogeneous
The maximum amount of solute for a given amount of solvent at a certain temperature
Solubility
Unlike most substances, water _________ when it freezes
expands
Buoyancy is a force that pushes objects in which direction?
The ability of a fluid to move when force is enacted on it
Compressibility
A mixture that is evenly distributed
Homogeneous
A liquid or solid is more soluble under what condition?
Greater heat
The amount of matter in an object or substance
Mass
What force opposes buoyancy?
Gravity
Gases can be compressed more than liquids because
There is more space in between particles
The amount of solute for a given amount of solvent
Concentration
When you add more solvent to a solution
Diluting
Density is measured as a ratio of mass to __________
Volume
When an object is placed in a fluid, an amount of fluid equal to the object's mass is _________.
Displaced
Incompressibility
This type of mixture is combined at the molecular level and cannot be separated mechanically (i.e. by filtration)
Solution
The scientific term for stirring or shaking a substance to speed up dissolving
Agitation
What is the density of an object with a mass of 1500g and a volume of 15cm3
100g/cm3
Ping-pong ball
A system that uses pressurized gas to perform tasks
Pneumatic
This type of mixture separates into its components over time due to gravity
Suspension
What factor affects the solubility of gasses, but not liquids or solids?
Pressure
What is the density of an object with a mass of 25kg and volume of 2m3?
12.5g/cm3
Markings on a ship that show its maximum allowable depth in different water conditions
Plimsoll Line
The unit of measure for pressure
Pascals (1N/m2)