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Biblioteka

5.1, 5.2, 5.4 - Volcanoes

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Posljednje ažuriranje almost 3 years ago
15
5.1 - Intro to Volcanoes
8
5.1.2
4
5.1.2
4
5.1.2
4
5.1.2
5.2 - Types and Explosions
6
5.1.3
4
5.1.3
4
5.1.3
10
5.1.3
1
5.1.3
2
5.1.3
5.4 - Volcanic Gasses
4
5.1.4
4
5.1.4
2
5.1.4
8
5.1.4
10
5.1.4
Pitanje 1
1.

Match the word to the definition.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Hot Spot

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A hole in Earth's surface through which magma, hot gases, ash, and rock fragments escape from deep inside the planet.

Lava

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A dense wave of superheated air and rock that moves as a fluid from an erupting volcano

Pyroclastic Flow

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Molten rock deep within Earth consists of liquids, gases, and particles of rocks and crystals.

Pahoehoe

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Large circular depression formed when an empty magma chamber causes the collapse of the volcano above it.

Caldera

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An upwelling of heat from beneath Earth's crust; often refered to as a Mantle Plume

Volcano

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Magma at Earth's surface.

Magma

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lava flows that have a rough rubbly surface composed of broken lava blocks called clinkers

Aa

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lava that has a smooth, hummocky, or ropy surface

Pitanje 2
2.

Highlight where the "Ring of Fire" is on the planet.

Pitanje 3
3.

What do you notice about the volcanos around the "Ring of Fire" in relation to the plate tectonics?

Pitanje 4
4.

What is the name of the volcano that erupted in 1815, and also blocked some of the sunlight around the world thus lowering the temperature of the planet by 3 degrees Celsius, causing it to be known as the "Year without a summer"?

Pitanje 5
5.

Explain the process a composite volcano goes through that creates its overall shape.

Pitanje 6
6.

What makes a volcano explosive?

Pitanje 7
7.

Lava gets its viscosity from its content.

Meaning the more mafic the lava is the the viscosity.

Pitanje 8
8.

Match the type and properties that led to its formation, to the photo. (Some may be used more than once, or not at all.)

  • felsic lava

  • Stratovolcano/Composite

  • mafic lava

  • Low Explosive

  • Shield

  • Highly Explosive

  • High Viscocity

  • Cinder Cone

  • high gas content

  • low gas content

  • Low Viscocity

Pitanje 9
9.

Yellowstone is likely to erupt in your lifetime.

Pitanje 10
10.

What typically kills the most people when a volcano erupts?

Pitanje 11
11.

Check off all of the gasses that typically come out of a volcanic eruption.

Pitanje 12
12.

Most of the gas that comes from a volcanic eruption is , and the second most gas is .

Pitanje 13
13.

Mt. St. Helens was an explosive eruption because the magma under the mountain had access to