Download Tectonics - Pearson Schools and FE Colleges

Had a go
Nearly there
Hazardous
Earth
Nailed it!
Tectonics
1 Study Figure 1.
depth
0
100 km
rock
ge
rock
650 km
rock
iron
solid
pa
2900 km
iron
liquid
5100 km
le
6378 km
Figure 1 A cross-section showing the structure of the Earth
A Crust
B Upper mantle
C Lower mantle
2 Compare the physical properties of the core and the mantle.
The inner core is solid, whereas
aft
The inner core is hotter – over
3 Explain how convection currents cause plate movement.
Dr
Guided
(1 mark)
sa
D Core
mp
Which of the following is the thickest layer in the cross-section of the Earth?
(2 marks)
Circular motion is important
to the movement.
(3 marks)
9