A funnel volcano is the most common tornado and is what most people think of when you mention a tornado. They are very violent and destroy almost everything in their path.
a funnel shaped vent at the top of a volcano is a crater
A crater
A crater
The opening of the volcano is called crater. A crater may be large in dimension or deep. This is where the magma erupts.
Its called a volcanic cone
The term for the circular depression at the summit of a volcano is called a "caldera." It is formed by the collapse of the central part of the volcano after a massive eruption has emptied the magma chamber beneath it. Calderas can vary in size and shape depending on the volcano.
a dome volcano is not the same as a cone volcano. a dome volcano is a type of volcano, is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Usually it extrudes very slowly, but constantly. A cone volcano has an appearance of an upside-down funnel with a hole in the top which the lava shoots out of.
A funnel cloud may be called a condensation funnel or simply a funnel.
a long stemd funnel is a thistle tube funnel
It is a funnel which seeds are put in
It is a funnel which seeds are put in
Funnel-shaped