Why Do Penguins Have Small, Stiff Wings?
Why Do Penguins Have Small, Stiff Wings? A penguin wing is called a flipper. It is a hard, rigid paddle covered with tiny stiff feathers that are not waterproof (unlike...
Read More
How Do Sailfish Move so Quickly?
How Do Sailfish Move so Quickly? Sailfish are highly prized game fish, and are known for their incredible jumps and great speed. They can swim 100 m in 4.8 sec. Based...
Read More
How Can You Tell How Far Away Lightning Is?
How Can You Tell How Far Away Lightning Is? You can tell how far away lightning is by counting the seconds between the lightning flash and the clap of thunder....
Read More
What Causes Sounds?
What Causes Sounds? All sounds are made by vibrations. Lightly place your fingers on your throat, and speak. The buzz you feel is your vocal cords vibrating. Stretch a...
Read More
What Did Native Americans Used Lacrosse For?
What Did Native Americans Used Lacrosse For? Native Americans have been playing lacrosse since as early as the 15th century. In addition to being a fun game, Native...
Read More