| A | B |
|---|
| WHMIS | safety symbols and data sheets |
| hydraulic system | uses fluids under pressure to move loads |
| fluid | a substance with no fix shape and can flow |
| pure substance | made up of only one kind of matter |
| mixture | made up of a combination of substances |
| mechanical mixture | different parts are visible |
| heterogeneous mixture | AKA mechanical mixture |
| solution | appears as one substance, but is not |
| homogenous mixture | AKA solution |
| suspension | cloudy mixture, will separate out over time |
| colloid | cloudy mixture, parts so small, won't separate out |
| solute | substance that dissolves |
| solvent | substance that does the dissolving |
| concentration | amount of solute dissolved in solvent |
| unsaturated solution | more solute can be dissolved in the solvent |
| saturated solution | no more solute can be dissolved in solvent |
| saturation point | no more solute can be dissolved at a specific temperature |
| solubility | the maximum amount of solute that will dissolve in given amount of solvent |
| aqueous solution | dissolved in water |
| particle model | describes the structure of matter |
| viscosity | how quickly a fluid flows; its resistance to flowing |
| density | amount of matter in a given volume |
| buoyancy | acts against gravity; tendency to float in liquid |
| compressibility | the tendency of an object to squish and deform under pressure |
| gas | state of matter that can be compressed easily |
| liquid | state of matter that cannot be compressed easily |
| incompressible | property of materials that cannot be compressed easily |
| pressure | amount of force applied to a given area |
| Pascal's Law | enclosed fluids transmit pressure equally in all directions |
| pneumatic systems | use are in an enclosed system to lift objects |
| pump | a device used to move fluids into or through something |
| valve | device to control or regulate flow |
