Convection Currents
Notes
Putting it together



You know that our Earth is separated into moving plates
You know that the continents are drifting and colliding
BUT HOW?
Convection Currents

Cold air sinks, and hot air rises
1)
2) This causes a __________________________________

1) _____________________________________________ causes these movements
Ways the Plates Move
1. Ridge push –
2. Convection currents –
3. Slab pull –
Convection Currents
Notes
Putting it together



You know that our Earth is separated into moving plates
You know that the continents are drifting and colliding
BUT HOW?
Convection Currents

Cold air sinks, and hot air rises
3) Hot magma rises and ________________________________________________
4) This causes a _______________________________

Strong enough ____________________________________________
2) ______________________________________ the rock causes these movements
Ways the Plates Move
4. Ridge push – plate moves into the asthenosphere _______________________________
__________________________ at a mid-ocean ridge
5. Convection currents – ______________________________________while cooler
magma sinks
6. Slab pull – oceanic crust is __________________________________________________
the rest of the plate with it