deck ch25

Question 1

mid-ocean- ridge (MOR)

Answer 1

A system of mountain ranges on the seafloor separated by valleys

Question 2

rift vally

Answer 2

narrow depression, formed between peaks along the mid-ocean ridge

Question 3

convergent plate bounday

Answer 3

The boundary where two plates collide

Question 4

fault

Answer 4

crack in Earth’s crust along which rock has moved

Question 5

elastic rebound

Answer 5

sudden release of strain energy as rock moves along a fault

Question 6

focus

Answer 6

points of origin for an earthquake

Question 7

epicenter

Answer 7

point on earths serface directly above the focus

Question 8

Who came up with the continisal drift hypothesis?

Answer 8

Alfred Wegener

Question 9

What where somepeases to support Wengenrs hypothesis?

Answer 9

1. cosines mach like puzzel peaces
2. found large land animle fossils
3. mountin ranges mach up and the rocks are made up of the same contination and age

Question 10

What wasthe name of the super continet?

Answer 10

Pangea

Question 11

Who came up with the Sea Floor Spreding hypothesis

Answer 11

Hairy Hess

Question 12

What did he use to map the sea floor?

Answer 12

Sonar

Question 13

Who discorved the mid-ocean rige (MOR)

Answer 13

Hariy Hess

Question 14

Where is the yongest rock found on the bottom of the seafloor?

Answer 14

Mid-ocen rige (MOR)

Question 15

What are the type of plat boundurays

Answer 15

1. divergent boundary
2. convergent boundary
3. transform boundary

Question 16

How do convergent plat boundarys move.

Answer 16

They hit together

Question 17

What two types of crust are involved in plate movment?

Answer 17

oceainc crust and continetionalcrust

Question 18

What are the typeofland forms can be created when oceantic andcontinentalcrust conmuerge?

Answer 18

deep-sea trench and volcano

Question 19

What land forms are createdwhen to oceantic cruts form?

Answer 19

deep-sea trench and hot spots (makes ilands)

Question 20

What landforid\screatedwhen twocontanental crust conmurge?

Answer 20

mountains

Question 21

How diverget platye boudarys move?

Answer 21

they devide

Question 22

What are two excipalsof divergent boundarys?

Answer 22

mid-ocean rig (MOR) East African Rift

Question 23

How do transform plate boundaeries move?

Answer 23

they slid by each other

Question 24

What is an exsample for a transform boundary?

Answer 24

San Andrea fault

Question 25

How does a confection curent works?

Answer 25

1. magmen heats up, becomes less dence, rises | 2. magmem cools down, becomes more dence, then seanks

Question 26

What are other forces that help plate movment?

Answer 26

slap plate rideg push and crust

Question 27

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Answer 27

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Question 28

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Answer 28

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Question 29

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Answer 29

bhkgfkuf

Question 30

What are the four types of stress that can be a

Answer 30

1.

Question 31

What are the types of deformation?

Answer 31

1. elastic | 2. plastic

Question 32

What happens tothe rock if elastic deformation acuras

Answer 32

as soon as thestress relieas it returns to its normal shape

Question 33

what happens to the rock when plastic deformation apers?

Answer 33

as soon as the stress is releasted in remandes as the new shape

Question 34

What types of seismic waves are there?

Answer 34

primary, scondary waves

Question 35

what type of wave is a p-wave?

Answer 35

pramary waves

Question 36

how do primary waves move?

Answer 36

compretion waves

Question 37

What time of wave is secondary wave?

Answer 37

tr

Question 38

What types of matieral do p-wavesmove through?

Answer 38

solids and liquids

Question 39

What type of mutieral do s-waves move through?

Answer 39

only solids

Question 40

Which waves couas most damig?

Answer 40

serfice waves

Question 41

what scales are usetohelp maurch earth wakes

Answer 41

rictur scal mercalli scale

Question 42

what do these two maurgh

Answer 42

mount of energy relezed and how much damiged caused