1. Do you know that teddy bears are named after 26th U.S President Mr.Theodore Teddy Roosevelt.
2. The penguins are the only birds which can swim but can not fly.
3. You will be a little surprised to know that lemons contain more sugar than oranges.
4.Trees are our best friends because they care for us, do you know? One tree filters up to 27 kg of pollutants from the air each year.
9.Greenland is the world's largest island.
10. Coral may look like a lump of rock,but it is made thousands of tiny animals.