Definition
Eruption
Formation
Lava
100
What is an opening in the Earth's crust?
What is a volcano?
100
Are volcanoes predictable or unpredictable?
What is unpredictable?
100
What do volcanoes form over?
What is a hot spot?
100
What can be fast or slow moving?
What is lava?
200
What is inside volcanoes that can reach 10,000 degrees F?
What is lava?
200
What comes out of a volcano?
What is ash, gas, and molten rock?
200
What can fast lava form?
What is a lava flow?
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