6th grade science-Volcanos, Earthquakes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What are the three (3) types of volcanoes? | Shield, Cinder Cone, and Composite
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| What are the three (3) types of lava flows? | Pahoehoe, Aa, and Pyroclastic flow
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| A _______ volcano is a wide gently sloping mountain formed by thin layers of lava pouring out of the vent and hardening on other layers. | Shield Volcano
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| The point where magma leaves the volcano is the _____. | vent
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| The narrow tube where magma rises to the surface is called the ______. | pipe
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| _____ is magma that reaches the surface. | lava
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| A river of lava that pours down the volcano is the ____ ____. | lava flow
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| The place where magma is collected is the ____ ____. | magma chamber
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| This type of volcano is formed from lava flows alternating with eruptions of cinder, ash, and bombs- they are tall and cone shaped.... | composite volcanoes
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| _____ ______ volcanoes are steep slope cone shaped and formed from thick lava with ash cinders and bombs. | Cinder cone
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| ______ is a fast moving hot lava that looks like rope-like coils or a solid mass of wrinkles. | Pahoehoe
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| ____ is a cooler, slower moving lava. When it hardens, it forms a rough surface with jagged chunks. | Aa
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| _____ _____ occurs in an explosive eruption and throws out ash cinders and bombs. | Pyroclastic flow
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| Hot molten material made of rock, dissolved gasses and water is known as ____. | magma
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| The bowl-shaped area at the vent of the volcano is the ______. | crater
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| Magma forces its way out of the side of the volcano from the ____ ____. | side vent
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| hotspot | an area where magma burns through the crust like a blow torch
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| geyser | a jet of very hot water that shoots up out of the ground
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| extinct | a volcano that will never erupt again
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| caldera | a large craterthat is produced when a volcano empties its magma chamber
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| ring of fire | a chain of volcanoes around the Pacific plate
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| dormant | a 'sleeping' volcano
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| explosive | type of eruption that produces a pyroclastic flow
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| silica | combinations of oxygen and silicon
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| hot spring | a pool of water that is heated up by magma
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| active | a volcano that is currently erupting
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| quiet | eruption that produces two(2) types of lava
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| volcanic neck | what forms when magma in a volcano's pipe cools off
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| batholith | what is formed when a volcano's magma chamber cools off
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| How were the Hawaiian Islands formed? | shield volcanoes rising from a hotspot on the ocean floor caused the Hawaiian Islands to form.
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