One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
-104
The sun is 330,330 times larger than the earth.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Balsa wood is classified as a hard wood!
41
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
German chemists made a replica of a trophy the size of one molecule.
68