volcanoes
what is ash
ash is tiny bits of rock
what is a volcano
it is an opening in the earth's crust
what is magma
molten rock
what is a tectonic plate
it is a huge piece of the earths crust
what is gas
when water turns into water vapour
what is a thick layer of hot rock called
it is the mantle
what is a bowl-shaped hole called
it is a crater
what is molten rock during an eruption called
it is called lava
what is the crust
it is the thin solid outer layer
it is called a cone shaped