1. Magma Chamber: This is the underground reservoir of molten rock (magma) that feeds the volcano.

2. Vent: The conduit or pipe that connects the magma chamber to the surface.

3. Crater: The bowl-shaped depression at the summit of the volcano, formed by explosive eruptions.

4. Conduit: The passage through which magma travels from the magma chamber to the surface.

5. Lava Flow: The molten rock that erupts from the volcano and flows down its slopes.