Watch how volcanic rocks are formed in an amazing way

<p style=";text-align:left;direction:ltr">ArabiaWeather.com - Muhammad Salama - Magma is a mixture of molten materials emanating from the Earth&#39;s interior. It forms under the earth&#39;s crust and when it exits to the surface is called Lava. Lava is divided into two types, the first is light lava, which is liquid and moves quickly, while heavy lava is distinguished With a high viscosity, which makes it move slowly.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> And when the lava comes out, it cools and begins to harden until it stops moving and then volcanic rocks form over old volcanic rocks.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> The attached video closely depicts how magma emerges from the Earth&#39;s interior and how volcanic rocks are formed in an amazing way.</p><p style=";text-align:left;direction:ltr"></p>