Page 250 - Big Ideas Year 10 sciPAD 2025

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250 SCIPAD - BIG IDEAS - BOOK 2
EARTH SYSTEMS
(b) Intrusive and extrusive rocks are both 

however, 

 .
(c) Magma and lava are the same in that they 

however, 

 .
(d) Tsunamis and tidal waves are similar in that they 

however, 

 .
7. Explain the difference between an earthquake’s focus and epicentre 





8. (a) Name the three common types of rock.
(i) 
(ii) 
(iii) 
(b) Complete the diagram of the simplified rock cycle, showing how the three types of
rock can be recycled into another form.
Weathering, erosion,
transport and deposition
Heat and
pressure
Uplift
Uplift
Melting
MAGMA
Melting