WorksheetsCh-12 Land and Interior of the Earth
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
What is the name of the boundary that separates the lower mantle and the core
a)
The boundary
b)
einstein's boundry
c)
Mohorovicic
Discontinuity
d)
Mohorovicio Discontinuity
2.
The mantle is divided into how many parts
a)
1
b)
2
c)
none
d)
3
3.
What is the inner core mainly composed of
a)
iron and gold
b)
gold and cobalt
c)
nickel and iron
d)
diamonds and carbon
4.
Is the earth flat
a)
yes
b)
no
c)
yes and no
5.
The thickness of crust varies from (in km)
a)
4-69
b)
3-50
c)
4-20
d)
5-40
6.
How many layers does the earth have
a)
6
b)
2
c)
7
d)
5
e)
4
7.
What is the temprature range in the inner core
a)
7,000-8000F
b)
7,200-8,500F
c)
6,890-9,000F
d)
14,000-16,000F
100 %
