Spoon fortune-telling test

How to measure the opening length of spoon?

Use spoons of different sizes to measure the length, width and depth of these spoons, and test the capacity at different scales. The influence of the same opening area and depth on the capacity, and the influence of spoons with the same depth and different opening areas on the capacity.

Spoon: a vessel with a handle, which can be used to scoop things, and is often used to drink soup and hold rice. For example, a rice spoon is used to hold rice;

Soup spoon: used to hold soup when drinking soup (that is, spoon);

Cooking spoon: iron pot with handle, used for cooking;

Spoon: a spoon for cooking;

Others are:

Water spoon: used for holding water and filling water;

Flour spoon: a spoon for holding flour and flour;

Grain spoon: a spoon for holding grain;

Measuring spoon: a spoon for measuring volume;

Magnetic spoon: magnetic spoon;