Transcript Slide 1

KS4 Starter
Scientists are
hoping that by
2020 they will be
able to drill
through the outer
layer of the Earth
and sample the
rocks from the
layer below.
© Snapshot Science, 2011
Name the layers…
Crust
5-40 km thick
Mantle
2885 km thick
Core
(inner and outer)
3486 km thick
© Snapshot Science, 2011
KS4 Starter
Why has the crust got a thickness
of 5-40 km?
KS4 Starter
continental crust
oceanic crust
Where will
they drill?
Are there any
disadvantages
to drilling
here?
© Snapshot Science, 2011
KS4 Starter
Would drilling
this hole create
an enormous
eruption?
© Snapshot Science, 2011