The short reason:
To cool the ice cream and keep it from melting, because salt water and ice is cooler than ice or ice and water.
The more detailed reason:
Salt water has a lower freezing point than regular water.
Ice is never just one temperature, and the molecules of ice always have a distribution of speeds. The fastest molecules are the warmest ones, and the ones closest to melting. If the ice is in equilibrium with some water, the coldest water molecules will be freezing at the same rate as the fastest ice molecules are melting.
Now introduce some salt. This upsets the equilibrium because now fewer water molecules will freeze, since the freezing point of salt water is lower. The ice will melt faster than the water will freeze. As ice melts, it absorbs energy from the environment (called the heat of fusion). So one is creating a system where heat is absorbed from the surroundings of the salt water and ice mixture.
This salt water and ice mixture can be used to cool the ice cream. Ice cream freezes at about 25 degrees F, so one needs more than just ice at 32 degrees F to make ice cream, and to keep it frozen.
An aside:
A salt water and ice mixture will cool down to about 0 degrees F (-18 degrees C). At the time Fahrenheit devised his scale, was the coldest temperature that could be produced in the laboratory (that is why it became zero degrees). Fahrenheit also intended to make 100 degrees the temperature of a normal average healthy human body on his scale (it is really 98.6 degrees F), but he got it wrong (obviously).
It lowers the freezing temperature of the water/ice, causing it to become much colder and making colder/better ice cream.
They do it to make the ice cream taste better and creamier.
It lowers the freezing point and adds to the taste.
the ice cream vendor gave us 3 scoops of chocolate ice cream and it was so delicious
i wish i knew
a street vendor is like a many store on the srteet where you can either buy ice cream fruits and more.......
so the ice lasts
it is a enjoyable squiggle treat with creamy cream in the middle with a sprinkle of sprinkles on the top
A ice cream vendor at the 1904 St. Louisworld fair the vendor ran out of cones. So he ask a waffle vendor to roll up waffles to make waffle cones.
the most common name is ice cream man
This isn't slang. Sprinkles are those little candy pieces you sprinkle on top of your ice cream or cake.
because the people won,t to keep that name
sprinkles are tiny things that you put on cupcakes and on ice cream. there are rainbow sprinkles and there are chocolate sprinkles.
Good Humor
QUESTION: What is the least races animal? ANSWER: The Panda. Why? Because, it's Asian, black, and white! Chocolate Ice Cream(i don't take credit for this one, my friend told me :) LADY: can i have some chocolate ice cream? VENDOR: were all out. sorry. LADY: oh then ill have some chocolate ice cream. VENDOR: um did you hear me? were ALL OUT! LADY: oh in that case ill have some chocolate ice cream. VENDOR: ok. spell van, as in vanilla. LADY: v-a-n. VENDOR: good. now spell straw, as in strawberry. LADY: s-t-r-a-w. VENDOR: good! now spell f***, as in chocolate. LADY: but there is no F*** in chocolate! VENDOR: THAT'S WHAT I'VE BEEN TRYING TO TELL YOU!!!!!