science u4 qz1

Question 1

the earth was formed

Answer 1

4.6 billion yrs agon

Question 2

how much of earth is made of salt water

Answer 2

71%

Question 3

how is the earth studied

Answer 3

by sesmic waves

Question 4

what is the crust

Answer 4

thin, solid, outermost zone

Question 5

how much of the earth is the crust

Answer 5

1% of the earths mass is the crust

Question 6

lower bounds of the earth is called

Answer 6

moho

Question 7

what layer is 2/3 of the earths mass

Answer 7

mantle

Question 8

what is the outermost layer of the mantle

Answer 8

lithosphere

Question 9

what are the two qualilies of the lithosphere

Answer 9

brittle and cooler

Question 10

which layer below the lithosphere is plasticiticy

Answer 10

the astheoshpere

Question 11

what are the qualilty of the astheosphere

Answer 11

less rigid

Question 12

what is below the astheosphere

Answer 12

the mesosphere

Question 13

what is the mesosphere made of

Answer 13

solid rock

Question 14

what is the core and where is it located within the earth

Answer 14

a sphere below the mantle

Question 15

what is the outer core

Answer 15

a dense liquid

Question 16

what is the dense liquid made of inside the outer core

Answer 16

iron and nickel

Question 17

what is the inner core

Answer 17

dense rigid solid

Question 18

what is the inner core made of

Answer 18

iron and nickel

Question 19

where does the magentic fleild expand to

Answer 19

the magnetosphere

Question 20

what did alferd wagner notice

Answer 20

the contidients fit together like a puzzle

Question 21

what is fossil evidance

Answer 21

the same fossil found on different contidents

Question 22

what are montain ranges

Answer 22

ranges ending in one coast and then reoccuring in another coast

Question 23

what is the climate

Answer 23

particular regions and glaciers in places you would normally see them

Question 24

what is rock formation

Answer 24

ages and types of rock foud in areas where the condients would have been connected

Question 25

what is the problem

Answer 25

alfred couldn’t determind the mechanisum for the contential movement

Question 26

what is density

Answer 26

amount of mass given and a given volume

Question 27

what is plate techtonics

Answer 27

thoery that explains why and how continets move and its the study of the feaures on the earths crust

Question 28

what is oceanatic

Answer 28

dense and made of rock rich in iron and magnesuim

Question 29

what is contiental

Answer 29

low density and made of rock and rich in silca