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  • Shekaina Abel

  • 問題数 43 • 1/14/2024

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    問題一覧

  • 1

    It is where magma passes through from the magma chamber to reach Earth's surface.

    Main Vent

  • 2

    This means Little Stones in Latin

    Lapillin

  • 3

    It is a volcano that have acidic and sticky lava, which allows the lava to solidify without traveling very far.

    Composite Volcano

  • 4

    This is most well-known shield volcanoes

    Hawaii

  • 5

    After the eruption, the magma chamber is now empty, which may trigger the walls of the conduit to weaken and to collapse into a crater or a caldera.

    Ending Phase

  • 6

    Is just one of the appearances of a volcano.

    Cone Shape

  • 7

    Types of Volcanic Eruptions

    Effusive Eruptions, Explosive Erruptions, Strombolian, Vulcanian, Plinian, Phreatic, Phreatomagmatic, Hawaiian

  • 8

    This is were fluid basaltic lava is thrown into the air, creating a lava fountain or lava flows.

    Hawaiian

  • 9

    Phases of Volcanic Eruption

    Preparation Phase, Eruption Phase, Ending Phase

  • 10

    Pyroclastic materials that are already solid when ejected during eruptions

    Volcanic Blocks

  • 11

    Types of Volcanoes according to Shape

    Cone Shape, Cinder Cone, Composite Volcano, Shield Volcano

  • 12

    This refers to magma (molten rock) that has been expelled onto Eartis surface.

    Lava

  • 13

    This is were the eruption is short, explosive, and violent.

    Vulcanian

  • 14

    It is a vent, hill or a mountain that erupts, releasing molten rocks, rock fragments, and gaseous materials onto Earth’s surface

    Volcano

  • 15

    It is also known as stratovolcanoes

    Composite Volcano

  • 16

    This involve magma of high viscosity and high gas content.

    Explosive Eruption

  • 17

    These volcanoes are active but not erupting: however, they are expected to erupt anytime soon.

    Dormant

  • 18

    involves the eruption of magma that reacts to external water

    Phreatomagmatic

  • 19

    The pressure will start to build up inside the magma chamber and the energy starts to increase for eruption.

    Eruption Phase

  • 20

    This is an alternative smaller outlet where magma escapes to reach Earth's surface.

    Secondary Vent

  • 21

    These volcanoes have not had any eruption in the past 10 000 years and are expected not to erupt anymore in the future, these volcanoes have been intensively weathered and eroded.

    Extinct

  • 22

    It is a bowl-shaped depression produced by volcanic activity and explosion.

    Crater

  • 23

    This is the stream of molten rock flowing out of the crater.

    Lava Flow

  • 24

    This is a hardened chunks of bubbly lava

    Scoria

  • 25

    A mass of molten rock, large, dense pyroclastic rocks that cool in the air before they reach the ground

    Volcanic Bombs

  • 26

    There is a burst of glowing lava due to the bursting of gas bubbles at the vents of the volcano.

    Strombolian

  • 27

    This is the most violent among all types of volcanic eruptions. It releases huge amounts of gases and ashes at great speeds.

    Plinian

  • 28

    A volcano that is famous for its almost perfect cone shape.

    Mayon Volcano

  • 29

    This is a large reservoir that stores molten rock (magma) prior to eruption.

    Magma Chamber

  • 30

    This is a steam-driven explosion, whereas magma heats the surface or ground water, the water begins to boil or directly produce steam that causes the explosion.

    Phreatic

  • 31

    Types of Volcanoes According to Eruptive History

    Active, Dormant, Extinct

  • 32

    This volcano are formed from non-acidic basaltic lava flows of high viscosity producing broad sloping sides and shield-like structures.

    Shield Volcano

  • 33

    It is formed when thick volcanic ashes are discharged into the atmosphere caused by violent explosion or eruption of the volcano.

    Ash Cloud

  • 34

    Composite is also known as?

    Stratovolcanoes

  • 35

    Volcanoes are formed from pyroclastic fragments and volcanic ashes that form and solidify around the main vent to form a cone, which can be either circular or oval.

    Cinder Cone

  • 36

    A mixture of powder-sized rocks, minerals, and gas particles

    Vulcanic Ash

  • 37

    This involves the outpouring of basaltic magma that is relatively low in viscosity and low in gas content.

    Effusive Eruptions

  • 38

    The magma chamber is being filled with magma. An increase in seismic activity and steam or smoke coming out from the volcano can be observed.

    Preparation Phase

  • 39

    It is a mixture or rocks, minerals, and slass particles expelled during a volcanic eruption.

    Ash

  • 40

    What are the Anatomy of a Volcano

    Main Vent, Magma Chamber, Crater, Lava Flow, Secondary Vent, Secondary Cone, Ash Cloud, Ash

  • 41

    These volcanoes have erupted during historical times

    Active

  • 42

    This refers to the pyroclastic materials and rock fragments that are being expelled during volcanic eruptions.

    Tephra

  • 43

    This is formed when lava and ashes escape from smaller vents; it is also known as a parasitic cones.

    Secondary Cone