There is air in the food. So, it floats
Because of Density.
A Dumpling is a cooked food that floats in soup,because it is lighter than the liquid it dislpaces.
Whether an object floats or not depends on its density. Density is the amount of mass in a volume, or mass divided by volume. If and object's density is less than that of water, it will float in water, and if an objects density is higher than that of water, it will sink in water. raw material (fishballs will sink down);but it will floats when it is cook. why
Croutons, are very small cubes of fried bread used to 'garnish' soup, and they do float on top of the soup.
Some popular ways to prepare and enjoy fishballs include deep-frying them and serving with a dipping sauce, adding them to soups or noodle dishes, or skewering them and grilling them with vegetables.
some food items are cooked as all of the food items cannot be eaten raw and taste bad without being cooked and we also cook to make our food tasty and delicious to eat
To try and remove, dirt, germs, and bacteria, from the food. It is not necessary to wash all food before eating it, but, some food needs to be washed, such as fruit because it will be safer to eat that way.
Food that is cooked by fully or partially submerging in some type of heated fat.
Salmonella, mainly.
If the food is handled and cooked properly, you should get some pretty good nutrition from the food. If you choose to eat it while still frozen, you could break some teeth or get a brain-freeze. If it was supposed to be cooked before eating but it isn't cooked before you eat it, you could become ill.
because with some foods if you eat itraw you might get sick
Some foods do not need to be cooked fully, for example, tomatoes can be eaten raw or cooked - or anywhere in between. Other food, such as chicken, must be cooked completely to kill any bacteria in the flesh. The bacteria can cause food poisoning, salmonella or even e-coli.