Why may the same volumes of different ingredients not weight Same?

Different ingredients have different densities, meaning that they have different amounts of mass per unit volume. For example, a kilogram of feathers will take up a much larger volume than a kilogram of lead, because feathers are less dense than lead.

Here are some examples of how the same volumes of different ingredients can have different weights:

* Flour and sugar: A cup of flour weighs more than a cup of sugar, because flour is more dense than sugar.

* Water and oil: A cup of water weighs more than a cup of oil, because water is more dense than oil.

* Sand and gravel: A cup of sand weighs more than a cup of gravel, because sand is more dense than gravel.

When you are cooking or baking, it is important to measure ingredients by weight rather than by volume, because the same volumes of different ingredients can have different weights. This will help you to ensure that your recipes turn out correctly.