Earth layers Flashcards
1
Q
What layer has convection currents
A
mantle
2
Q
What is the thinnest layer of the earth
A
Crust
3
Q
How do scientists know how hot the core is
A
seismic waves
4
Q
The Earths core is about the size of
A
pluto
5
Q
what is unique about the outer core
A
made of mostly nickel and iron
6
Q
what is transform boundary
A
two tectonic plates that slide past each other
7
Q
what is the only plate boundary that doesn’t involve into magma
A
transform
8
Q
How far humans been able to drill into the earth
A
1/3
9
Q
what two elements are found in the inner core
A
iron and nickel
10
Q
The Earths core is about the size of
A
pluto
