A ball of glass will bounce higher than a ball made of rubber.
73
Sound travels about 4 times faster in water than in air.
408
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
German chemists made a replica of a trophy the size of one molecule.
68
A cubic yard of air weighs about 2 pounds at sea level.
31
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7