dark powder that is left after something has burned in a fire
ash
goes up
rises
very hot water that has changed into white gas
steam
something bursting into lots of small pieces with a loud noise
explosion
the top part of something
surface
go down quickly
fall
below the surface of the earth
underground
not gas, not solid, for example, water.
liquid
makes, becomes, changes into
forms
an opening in something
hole
to put under the ground
buried
arrives at or touches
reaches
