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Questions and Answers
A volcano is an opening in the Earth's surface that allows molten rock to escape.
A volcano is an opening in the Earth's surface that allows molten rock to escape.
True (A)
Volcanoes can only be found on land and cannot exist underwater.
Volcanoes can only be found on land and cannot exist underwater.
False (B)
All volcanoes erupt in the same way, producing a similar type of lava each time.
All volcanoes erupt in the same way, producing a similar type of lava each time.
False (B)
Lava that cools quickly forms large crystals due to the rapid crystallization process.
Lava that cools quickly forms large crystals due to the rapid crystallization process.
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The Ring of Fire is a major area in the world where many volcanoes are located.
The Ring of Fire is a major area in the world where many volcanoes are located.
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Study Notes
Volcanoes
- Volcanoes are openings in the Earth's surface that allow molten rock to escape.
- Molten rock is known as magma when it's beneath the surface and lava when it erupts.
- Volcanoes can occur both on land and underwater.
- Volcanoes erupt in different ways, producing different types of lava.
- Lava that cools quickly typically forms small crystals due to the rapid crystallization process.
- The Ring of Fire is a zone of intense volcanic and seismic activity surrounding the Pacific Ocean.
- Many volcanoes are located in the Ring of Fire.
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