A small amount of snow is typically referred to as a "flurry." A flurry is a brief and light snowfall, usually lasting for a short period of time and not accumulating much on the ground. It is often characterized by small, delicate snowflakes falling gently from the sky.
small amount of snow
It is called an snowflake
A very small amount, perhaps twice a year.
Having a small amount of something is called "scarce" or "limited."
A large amount of snow is typically called a snowstorm or a blizzard when there is heavy precipitation and strong winds, leading to significant accumulation.
drift
No. However occasionally a small whirlwind may pick up some snow. This is called a snow devil.
A small amount of smoke is often referred to as a whiff or a wisp.
A small amount of liquid is typically referred to as a "drop" or a "drip."
A pat of butter.
You get a small amount of snow and pack it together to make a nice base. Then you get other snow to put on top of that depending on how big you want it. :)
A small amount of solute in solvent is called a dilute solution. This means the concentration of the solute is low compared to the amount of solvent.