Volcanoes is one of 9 topics in the Grade 10 Geography CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. A shield volcano is built up from which type of lava?
Thin, highly fluid, low-viscosity basaltic lava
Thick, sticky, high-viscosity lava only
Solid rock with no lava involved at all
Ash and cinders exclusively, with no lava flow
Answer: Thin, highly fluid, low-viscosity basaltic lava — A shield volcano forms from repeated eruptions of thin, highly fluid basaltic lava that flows easily and spreads widely, building a broad, gently sloping dome.
Easy
2. The reservoir of molten rock beneath a volcano is called the:
Magma chamber
Crater
Pyroclastic flow
Lahar
Answer: Magma chamber — The magma chamber is the reservoir of molten rock beneath a volcano, connected to the surface by a central vent or conduit.
Medium
3. What term describes a small, steep-sided volcano built up from fragments of solidified lava ejected from a single vent, usually during a short eruption episode?
Answer: A cinder cone — A cinder cone is a small, steep-sided volcano built from cinders (fragments of solidified lava) ejected from a single vent during a relatively short eruption episode.
