How To Test The Freshness Of Egg

we eat too many eggs , eating egg is  good for  health does we know what we are eating is  fresh egg of  not ? Do you know how to test the freshness of egg ?

This is small test  that proves how fresh your egg is
for this test you need  these
1. a beaker or  glass
2.water
3. egg

if you drop an egg in water if it  is 1to 3 days old it will go down like in this picture

If the egg is 4 to 6 days old egg  drops and moves little up

7-9 days egg try to stand in the bottom of beaker

10-12 days egg , it stands in thebottom

13-15 days egg floats in the middle

 16-18days egg floats nearly on top

 19-21days egg reached top and touch top

22-24 days egg floats and come upside

25-30 days egg float above top of water