Free printable animal quiz.
Here are some fun facts about eggs:
- “The U.S. produced over 90 billion eggs a year.
- An egg’s shell has about 17,000 tiny pores on the surface of the shell.
- A hen requires about 24 to 26 hours to produce one egg.
- Around 2/3 of chicken eggs produced in the U.S. each year are sold in the shell. The other 1/3 break or are too flawed to sell in the shell.
- Why 12? The reason for packaging eggs by the dozen may date back to a payment system in England in the first century. Eggs were traditionally sold for a penny or 12 for a shilling, which was equal to 12 pennies.
- Young hens produce smaller eggs; i.e., medium eggs come from younger hens. And if you’ve ever come across a double yolk, that is simply two medium eggs that merged together and came from a young hen that is just learning how to lay eggs.
- The shells of smaller eggs are thicker than the shells of larger eggs. This makes them easier to peel when they’re hard-boiled.”
- Animals that lay eggs are called oviparous. Fertilization is either internal or external, but the eggs hatch in an external environment, not the mother's womb.”
Fact source: http://www.foodreference.com/html/feggs.html
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