science Flashcards

1
Q

what is another word for shadow zones

A

betweeen 105 and 140 degrees

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2
Q

what can p-waves and s-waves travel through

A

p-waves can go through a solid and a liquid

s-waves can go through a solid

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3
Q

is the inner core a solid or a liquid

A

it is a solid due to the pressure

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4
Q

what is lit ho spear

A

the crust and the upper most mantel

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5
Q

what is the asthenoshere

A

its a plastic like layer that the plates move on

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6
Q

what matalic mate make up the core

A

iron and nickel

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7
Q

what elements make up the mantle

A

calcium,aluminum,iron,magnisum

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8
Q

viscosity

A

is the measure of a fluids resistance to flow

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9
Q

silica

A

is the chemical compound silicon dioxide sio which is a common ingredient in most magma

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10
Q

lithosphere

A

the crust and uppermost mantle combine to from the lithosphere

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11
Q

athenoshere

A

tectonic plates move on top of a plastic like layer of the upper mantle called the athenoshere

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12
Q

cinder cone volcanoes

A

tend to be small have heights in hundreds of meters range and have shorteruption cycles

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13
Q

shield valcanoes

A

are broad flat structures composed of layer upon layer of lava flows

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14
Q

composite volcanoes

A

are large and steep sided often thousands of meters high and tens of milometers across the base and composed of layers of both lava and ash

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15
Q

what is molten or liquid rocks stored in earth

A

magma

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16
Q

where is the ring of fire located

A

pacific ocean

17
Q

what forms do tectonic plates collided seduction zones

A

volcanoes

18
Q

which two locations can volcanic activity happen due to divergent

A

the mid alantic ridge

and the african ridge

19
Q

are hot spots stationary do they move

A

no they are in a set location

20
Q

what are created from hot spots

A

(Hawaii)

21
Q

if a liquid has high velocity will it run faster or slower

A

it will run slower

22
Q

if a magma has a high velocity does it have more or less silica

A

more silica

23
Q

what is plastic material

A

ash

24
Q

what are the largest

A

blocks and bombs

25
Q

what are they type of gases that come from a volcano

A

water vapor, carbon dioxide and sulfur dioxide

26
Q

how are volcanoes classified

A

there size shape and way they erupt

27
Q

what are the three types of volcanoes

A

ciner cones,