The Hawaiian islands are actually undersea volcanoes. Most of the volcanoes are no longer active, but some continue to erupt. The sparkling black sand covering some Hawaiian beaches formed when hot lava from the volcanoes flowed into the ocean.
The heat melts rocks inside the earth. That is how its formed. This is the answer.
I think you mean why does hot sand heat the air by convection... The sand is heated by the sun, and the air is touching the sand, which is hot, so by convection, the sand is heating the air.
Sand can get as hot as 3110 degrees Fahrenheit. When sand reaches that temperature, it is officially at its melting point.
Jessica Simpsons is hot! Wiki answers suck!
No, Guyana has a white sand belt, but no black sand.
The beaches with black sand are volcanic in origin.
"hot sand hill" is actually "hot spring heights"............ i think. hope i helped u out!;)
no it have brown sand
Black volcanic rock eroded over time makes black sand.
You will find your answer in the following link http://www.answers.com/topic/black-sand
it can be carribean sand or black sand from Hawaii or it can be seven mile sand what is a yellow color