People all over the world eat eggs. Most of the eggs we eat come from hens. Eggs are easy to cook. They can be cooked in lots of ways such as fried or hard-boiled. Eggs can be used with other things to make cakes and ice-cream.
The shell protects the egg. Shells can be brown or white. | The egg white is mostly water, protein(蛋白质) and some minerals(矿物质). Before it is cooked, the white is not white; itis clear. | |
The yolk has most of the egg's vitamins and minerals. The yolk can be pale yellow to dark orange. The color depends on what the hen eats. |
The fresh test Put your egg in a pan of water and use the guide below to find out how old your egg is. | |
What happens to the egg | Age of the egg |
Sinks(下沉) to the bottom of the pan and stays there Sinks, but floats at an angle Sinks, and then stands on end Floats on the top or just under the surface | 3-6 days old Just over 1 week old About 2 weeks old Over 2 weeks old |
Eggs last a long time. You can keep them for about four weeks in your fridge. |