| A | B |
|---|
| hydrometer | used to measure the density of liquids |
| solid | has a fixed shape and a fixed volume, |
| liquid | takes the shape of its container, has a fixed volume |
| gas | has an indefinite shape and volume. |
| fluid rate | how fast quickly a fluid flows |
| aerodynamics | air moving around solid objects |
| hydrodynamics | the motion of liquids around solid liquids |
| viscosity | a liquids thickness or resistance to flow. |
| volume | a measure of the amount of space occupied by matter. |
| mass | the measure of the amount of matter in an object |
| weight | the force with which an object is attracted toward the centre of the earth |
