The class can give an erupting-volcano hand action or a trembly-earthquake action to answer. Volcanic rock is formed when lava or magma cools down and becomes a solid. We call this type of rock ...

which means a really massive volcano that has a huge explosive force. ISLA: Oh this is the Scottish Parliament. Look at this wall Connor - it includes the three different types of rock ...

The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific ... The movement of the plates creates three types of tectonic boundaries: convergent, where plates ...