Misc Musings Planet Earth

You Would Not Sink in Lava

Golum in LavaContrary to what you might have seen in movies, if you jumped into lava you would not sink. Lava is nothing like water. Lava is a term used for molten rock on the surface of the earth and is incredibly dense, over 3 times the density of water.

Water has a density of 1000 kg/m3 and Lava has a density of 3100 kg/m3

Humans have a density of around 1010 kg/m3 which is very similar to water and this is the reason that we can float and not sink in water. However lava has a density much higher than our own so we would not sink or float, we would be stuck on the surface.

Continue Reading