Bell Ringer
description
Transcript of Bell Ringer
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Bell Ringer
Where are volcanoes found?
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• I can describe different types of volcanoes.
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• Volcanoes form on– Land– Ocean
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• Where are most volcanoes located?
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• Ring of Fire
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• What is an eruption?
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• An eruption is an outpouring of of melted rock, ash, gases, or a combination of these.
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• How are lava and magma different?
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• Magma is inside the Earth,
• Once magma reaches Earth’s surface, then it is called lava. (263)
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• What types of volcanoes are there? How are they different?
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• Shield– Built by
• Thinner, fluid lava that spreads over a large area. • The mountains have abroad base and gentle
sloping sides.
• Look at the picture
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Shield volcano
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• Cinder cone volcano—– Thick lava– Thrown high into the air and falls as chunks or
cinders.– Form a cone shape
• Narrow base• Steep sides
• Look at the picture
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Cinder cone volcano
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• Composite volcano– Built by layers of ash and cinders sandwiched
between layers of hardened lava– Shape on side of a cone looks the same as
the other.
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Composite volcano
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• Recap--- I forgot you tell me….
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• Homework
• Quick check questions (yes both of them)• Page 246, 253,255, and 256• Also, Art Link at the bottom of 257