Nearly 25 percent of U.S. teens now own one of these phones, so there's no excuse for not calling home
Automaton is sometimes just a fancy name for one of these mechanical beings
When a plane travels faster than the speed of sound, it creates this thunderous noise
An empty Goodyear blimp weighs over 12,000 lbs.; when they fill it with this gas, it weighs only 100 to 200 pounds
The Celsius temperature scale is also called this, meaning "divided into one hundred parts"
This one of the simple machines can be made by using a wheel & a rope
Inhaling & exhaling result from the contraction of this muscle at the floor of the chest cavity
The elements erbium, terbium, ytterbium & yttrium are named for the town of Ytterby in this country
(Sarah of the Clue Crew at Sea World in San Diego) In the wild, the polar bear feeds mainly on these, especially the ringed species
Manufacturers of fireworks use barium to give off a green color & sodium to produce this color