| Term | Definition |
|
thermal energy |
the total kinetic and potiential energy of all the particles of a sample of air |
|
heat |
the movement of thermal energy from a substance at a higher tempurature |
|
energy |
the ability to cause change |
|
matte r |
anything that has mass and has weight |
|
density |
mass divided by volume |
|
state of matter |
physica lprpoerty that descrbies |
|
freesing point |
when a liquid turns into a solid |
|
evaporation |
the process by wich individual particals from the surface and form a gas |
|
vaporisation |
the change from a liquid t oa gas |
|
condensation |
when a gs turns back into its liquid state |
|
melting point |
when a solid changes into a liquid state |
|
boiling point |
the tempurature at which some of the liqui dturns into a gasous state |
|
presure |
pus hor pull |
|
bouyant force |
the differents in pressure resultes in a nupwardforce on an objectimmersed in a fluid |
|
archimedies principle |
the bouyant force in an object is equal to the weight of the fluid |
|
gas |
has no definant shape or volume |
|
solid |
matter with a definant shap and volume |
|
liquid |
has no definant shape but has a volume |
|
kinetic energy |
energy an object has due t oits motion |
|
amorphus solids |
solids with a random arrangement of particles |
|
what ar e the 2 tipes of vaporization |
boiling point evaporation |