Form 6: Types of Volcanoes and Eruptions

Questions

1. MultiChoice

   Which type of volcano has broad, gentle slopes created by runny lava flows?

2. MultiChoice

   Which tall, steep volcano is built from alternating layers of ash and lava?

3. WordsBox

   Hawaiian volcanoes like Mauna Loa are examples of ____ volcanoes with ____ slopes.

4. MultiChoice

   Which small, steep volcano forms quickly from cinders piled up around a single vent?

5. MultiChoice

   What main factors determine whether a volcano erupts gently or explosively?

6. WordsBox

   Thick, sticky lava traps expanding gas bubbles, causing ____ volcanic ____

7. MultiChoice

   What is the superfast avalanche of scorching gas, ash, and rock that races down a volcano?

8. MultiChoice

   What is a destructive mudflow caused by volcanic ash mixing with melting ice or rain called?

9. WordsBox

   A fast cloud of burning ash is a ____ flow, whereas a volcanic mudslide is a ____

10. MultiChoice

    What huge basin forms when a volcano collapses into its emptied magma chamber?

11. MultiChoice

    Which famous North American composite volcano erupted explosively in 1980?

12. WordsBox

    When a volcano's magma chamber empties, the summit can collapse to form a large ____ ____