3.1 Flashcards
what is water as a solid?
ice
what is water as a liquid?
water
what is water as a gas?
water vapour
what are the 3 water states also refered to as?
phases
can you see water vapour?
no
what does a cloud consist of?
liquid water
is water vapour visible or invisible? also, where is it?
it is invisible, and is all around you
what is seam? and is it visible or invisible?
it is hot water vapour - invisible
solid phase
molecules have their own fixed positions. they are not entirely still, they are vibrating back and forth
does a block ice have fized shape and volume or not?
it does
liquid phase
molecules do not have fixed postiions. they can move back and forth past one another in any direction. the molecules do remain close to each toher.
does a water droplet have fized shape and volume or not?
it has fixed volume but not fixed shape
gas phase
the molecules move freely and are independent. they spread out to fill all the area the gas is contained in.
does gas have fized shape and volume or not?
it has neither
what is snow made up of?
ice
the shape of crystals
its shape has the same type of six sided structre.
what are crystals molecules?
identical, and stacked up in regular patterns
what is the size of a crystal?
microscopic to a few centimeters.
consistuens of adhesion?
dissimilar molecules
consistuens of cohesion?
similar molecules
explanation of adhesion:
atrractive fores between between molecules of different substances
explanation of cohesion:
atrractive forces between molecules of the same substances
effects of adhesion
capillary action
effects of cohesion
surface tension
