c2 - The eathsstructure

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what can Seismic waves tell us?
What is bellow the crust and sto study the earths structure.
1 of 10
How can Siesmic Waves be produced
1) By Earthqukes 2) by setting off a big man made explosion
2 of 10
what can S-waves travel through?
1) The mantle - shows that its a solid
3 of 10
What to P- waves travel faster thorugh?
The middle off the core - the inner core
4 of 10
What are S-waves not detected in?
the outer core - must be a liquid
5 of 10
how can scientists draw conclusions about about the structure of the earth?
1) measuring the time that it takes for the waves to travel through the earyh
6 of 10
What speed to tectonic plates move a year?
2.5 cm
7 of 10
are tectonic plates more dense or less dense than the mantle?
less dense
8 of 10
why are Volcanos and Erthquakes more likley to occur with the movement of tectonic plates?
When the plates meet - its the movement of the plates together that causes them
9 of 10
Name the 5 parts that make up the earths structure
1) the crust 2) The lithosphere 3) The Mantle 4) The Solid inner core 5) The liquid outer core
10 of 10

Other cards in this set

Card 2

Front

How can Siesmic Waves be produced

Back

1) By Earthqukes 2) by setting off a big man made explosion

Card 3

Front

what can S-waves travel through?

Back

Preview of the front of card 3

Card 4

Front

What to P- waves travel faster thorugh?

Back

Preview of the front of card 4

Card 5

Front

What are S-waves not detected in?

Back

Preview of the front of card 5
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