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8 Cards in this Set

  • Front
  • Back
The longest bout of hiccups lasted 69 years!
One way to tell the age of a fish is by looking at its scales. They have growth rings just like trees. These are called circuli. Clusters of them are called annuli. Each annuli show one year.
Elephants purr like cats do, as a means of communication.
When an octopus gets angry, it shoots a stream of black "ink".
Why is the sky blue??
White sunlight is really a lot of different colors of light mixed together.
Some colors of light travel through air and dust better than others. Red goes a long, long way.
But blue light gets bounced around a lot. Our blue sky is blue light that has been bounced out of sunlight by gazillions of molecules of air.
Why is it that I sound different on a tape recording - different from the way I usually sound?
The way you usually sound is a very personal thing. Only you hear your voice the way you hear your voice. Everyone else hears your voice differently.
You hear other people (and tape recorders) through the air. But you hear yourself speak through the bones, cartilage and muscles of your head.
It's all about sound waves and the different things they can travel through.
The largest egg laid by a living bird is that of the North African Ostrich. On ostrich's egg weighs 3 1/2 pounds.
A kangaroo can jump 45 feet
Did you know porpoises could surf? They are frequently seen riding the bow wave of a ship. They make no swimming motions and can ride the wake for more than an hour. They can also turn on their side or flip completely around. Surf’s up porpe!
Some frogs can pull their eyes into their throat and help push food down!
A female seahorse lets her husband store her babies inside his stomach!
Flamingos can only eat with their heads upside down.
How does soap work?
Soap works by making water wetter than it already is. Really! There's a kind of skin on water and if you can't break that skin, you can't get things wet. And you need to wet things to rinse away dirt. Soap breaks the skin.