earths layers

Question 1

The crust is less than____ of earths total mass

Answer 1

1%

Question 2

the earth is mostly made of___ with the main elements of ____, ______, _____

Answer 2

rock, silicon, calcium,sodium

Question 3

what are the 2 types of crust

Answer 3

oceanic and continental

Question 4

the mantle makes up ____ of earths mass

Answer 4

68%

Question 5

the mantle is HOT,____ and have heavy metals like ___ and _____

Answer 5

dense, iron, magnesium

Question 6

how thick is the mantle

Answer 6

2,900km thick

Question 7

the core is about____ of earth mass

Answer 7

31%

Question 8

the core is mostly made up of ____ and ____

Answer 8

iron and nickle

Question 9

there are two parts of the core the _____ inner and ____ outer

Answer 9

solid and liquid

Question 10

the lithosphere is a ____ solid that is easily,_____ = very brittle

Answer 10

ridgid , broken

Question 11

the lithosphere is made up of the ____ and the upper part of the ______

Answer 11

crust, mantle

Question 12

the asthenosphere is a flexible layer that can ____ and ____

Answer 12

bend and flow

Question 13

The asthenosphere is located in the upper _____ under the lithosphere

Answer 13

mantle

Question 14

the earths crust is _____ under the ocean and _____ under the mountain

Answer 14

thinner and thicker

Question 15

the oceanic crust is mostly made up of _____ a type of ____ rock that typically comes from lava

Answer 15

basalt, igneous

Question 16

Continental crust is thicker but has very low ____. it contains all __ rock types

Answer 16

density, 3

Question 17

the core is metallic __% is made up of ___, the remainder is ___% ______

Answer 17

85, iron, 15, nickle

Question 18

a __________ is the closest thing that we can touch that is like the core

Answer 18

Iron meteorite

Question 19

s waves can only travel through ____

Answer 19

solids

Question 20

for a __________ to form there must be a _______ flow through the liquid

Answer 20

magnetic field, convection ____ that kepps the outer core from becoming a solid is produced by the breakdown of _________

Question 21

the ____ that keeps the outer core from becoming a solid is produced by the breakdown of _________ in the inner core

Answer 21

heat , radioactive elements

Question 22

the deepest hole that we have drilled into the crust is

Answer 22

12 km

Question 23

we know about the inside of the earth due to _______

Answer 23

seismograph

Question 24

temperature inside the mantle reaches

Answer 24

3000 c

Question 25

the cores temps exceed

Answer 25

3,200c