The heaviest rock in the world is thought to be a type of metamorphic rock called peridotite. Peridotite is found in the Earth's mantle and can be denser than other types of rocks due to its high iron and magnesium content.
The heaviest element in the periodic table (known in March 2013) is ununoctium.
The heaviest alkaline-earth metal is radium. Radium is a highly radioactive element and is the heaviest and most unstable of the alkaline-earth metals.
Uranium is the heaviest naturally occurring actinide.
Bismuth (Bi) is the heaviest nonradioactive element but the next heaviest is Lead (Pb) and that is much more commonly used. The heaviest element that is naturally occurring, and also usable, though radioactive, is Uranium (U).
Uluru or Ayers Rock is the largest and heaviest rock in the world.
The heaviest rock in the world is thought to be a type of metamorphic rock called peridotite. Peridotite is found in the Earth's mantle and can be denser than other types of rocks due to its high iron and magnesium content.
I think the heaviest kid in the world is Jessica
The Biggest rock.
The second heaviest bird in the world is the Southern Cassowary.
Humpback Whales are not the heaviest whales in the world but there one of the heaviest whales in the world they would get a 3rd place on weight
The African elephant is the world's heaviest land mammal
SW - This can't be true! What about all the other whales? The second heaviest animal in the world is an African elephant, The heaviest being a Blue whale at 190tonns
1 Ton is a whole lot of weight. It is equal to 2,000. 2,000 is equal to 2 of the heaviest people in the world.
The world largest and heaviest animal is the Blue whale weighing in at 418,878 lbs (190,000 kg)
The blue whale. The heaviest blue whale measured at about 418,878 pounds.
Nope! The record for the longest snake species goes to the reticulated python, and the record for heaviest snake species goes to the anaconda. African rock pythons are among the world's giant constrictors, though.