Ch.25

Question 1

What is the boundary that separates density change

Answer 1

discontinuity

Question 2

How do they identify discontinuities

Answer 2

Seismic waves

Question 3

What is a shadow zone

Answer 3

A place where seismic waves don’t pass through due to the material.

Question 4

What is another name for a shadow zone

Answer 4

dead zone

Question 5

What are the degrees the zones fall between

Answer 5

105 and 140

Question 6

Is the outer core solid or liquid

Answer 6

Liquid

Question 7

Is the inner core solid or liquid and why

Answer 7

Solid because of pressure

Question 8

what makes up the lithosphere

Answer 8

crust and uppermost mantel

Question 9

What is the asthenosphere

Answer 9

Plastic like layer that earths plates move on

Question 10

What elements make the mantel

Answer 10

calcium aluminum iron and magnesium

Question 11

What is the core made of

Answer 11

Iron and nickel

Question 12

What is molten rock called

Answer 12

Magma

Question 13

Where is the ring of fire at

Answer 13

Pacific Ocean

Question 14

What forms when plates collide on subduction zones

Answer 14

Volcanoes

Question 15

What 2 examples of locations have volcanic activity

Answer 15

Mid Atlantic ridge and east African rift valley

Question 16

Is our hot spots

Answer 16

Yes

Question 17

What are created from hot spots

Answer 17

Islands

Question 18

measure of fluids such as lava resistance to flow

Answer 18

Viscosity

Question 19

If a viscosity higher will it flow slow or fast

Answer 19

slow

Question 20

If magma has a high viscosity will it have more or less silica

Answer 20

more

Question 21

What is pyroclastic material

Answer 21

any solid material that erupts from a volcano

Question 22

Smallest type of material

Answer 22

Ash

Question 23

Biggest type

Answer 23

Blocks and bombs

Question 24

What comes from volcanoes

Answer 24

Water vapor carbon dioxide and sulfur dioxide

Question 25

How are volcanoes classified

Answer 25

Size shape and materials

Question 26

What is a cinder cone volcano

Answer 26

tend to be small and have heights in the meters and have short eruption cycles

Question 27

3 volcanoes

Answer 27

Shield cinder cone composite

Question 28

A mineral is

Answer 28

A naturally occuring inorganic solid

Question 29

What are the two most abundant elements that make up Earth's crust

Answer 29

Oxygen and silicon

Question 30

What does inorganic mean

Answer 30

nonliving

Question 31

What does the arrangement of an atom and the bonds between the reflect about a mineral

Answer 31

how it breaks and how hard it is

Question 32

What are all of the ways to identify minerals

Answer 32

Luster and streak and hardness

Question 33

2 types of luster

Answer 33

Metallic Non metallic

Question 34

How does metallic luster reflect

Answer 34

Easily

Question 35

How does nonmetallic luster reflect

Answer 35

Hard

Question 36

Define rock

Answer 36

A solid mineral material

Question 37

How are rocks identified

Answer 37

Size shape and how its formed

Question 38

What does the texture of a rock describe about a rock

Answer 38

how its formed

Question 39

Where do intrusive igneous rocks form

Answer 39

In the ground

Question 40

What type of molten rock does intrusive igneous form from

Answer 40

Magma

Question 41

What is the name of the series that illustrates simultaneous crystallization of silicate minerals

Answer 41

Bowen reaction system

Question 42

What are 3 types of magma

Answer 42

basaltic, andesitic, and rhyoltic

Question 43

Which magma type has a low silica content

Answer 43

mafic

Question 44

Which type of magma has a high silica content

Answer 44

felsic

Question 45

Which type of crust has an abundant amount of quartz

Answer 45

Rocky crust

Question 46

Which type of crust has little to no quartz

Question 47

Which type of igneous rock has a coarse grained texture

Answer 47

Intrusive

Question 48

What type of igneous rock has a fine coarse grain

Answer 48

Extrusive

Question 49

Do fine grained rocks cool slowly or quickly

Answer 49

Quickly

Question 50

Do fine grained rocks cool slowly or quickly

Question 51

What are the two specific texture types for extrusive igneous rock

Answer 51

fine grained and

Question 52

Which texture is the type with holes left behind behind because of rapid cooling

Question 53

Which texture is the type with two different crystal sizes because of different cooling rates

Question 54

What type of rock has a vesicular texture

Answer 54

Extrusive igneous rock

Question 55

Metamorphic rock is changed by a combination of 3 things

Answer 55

heat pressure or chemical reactions

Question 56

Which types of rocks can be changed by metamorphism

Question 57

What is it called when metamorphic changes in rocks occur over large areas

Answer 57

regional

Question 58

What is it called when metamorphic changes in rocks occur over small changes

Answer 58

contact

Question 59

When shale is compressed which type of metamorphic rock is created

Answer 59

slate

Question 60

What are the 2 types of metamorphic rock textures

Question 61

Define foliated texture

Answer 61

crystals in layers

Question 62

Define non foliated texture

Answer 62

crystals in random spots

Question 63

metamorphic rocks are mainly classified based on which 2 things

Answer 63

texture and composition

Question 64

define rock cycle

Answer 64

the changing of rock type

Question 65

which types of rocks are part of the rock cycle

Answer 65

All of them

Question 66

3 types of rocks

Answer 66

sedimentary igneous metaphoric

Question 67

Which type of rocks form from molten rock

Question 68

Formed from clasts precipitation or compressed once living matter

Answer 68

sedimentary

Question 69

Formed from heat pressure and chemical reactions

Answer 69

metaphorphic

Question 70

Form from hot water evaporation or molten rock

Answer 70

igneous