1 of 12

11/18/13 Do Now Please

Take out your homework due today.

​

What are two forces that cause tectonic plates to move above the mantle?

2 of 12

aim

HOW do convection currents inside of the earth work?

3 of 12

Announcements

-MAKEUP QUIZ and QUIZ CORRECTIONS will be tomorrow during lunch or Wednesday before school

4 of 12

HOW DO CONVECTION CURRENTS WORK?!?

<video>

5 of 12

-where is slab-pull occurring?

-where is ridge-push occuring?

6 of 12

what is changing in the convection cell?

7 of 12

Convection Currents in Action

http://hmxearthscience.com/Warehouse/geology/plate_tectonics/animations/convection2.swf

8 of 12

Convection Currents in Action

http://hmxearthscience.com/Warehouse/geology/plate_tectonics/animations/Convection3.swf

9 of 12

Using the information from the diagrams, answer the question on your guided notes…..

10 of 12

WHEN PLATES MOVE (BECAUSE OF CONVECTION CURRENTS) WHAT HAPPENS????!!!!

​

​

1. PLATES COLLIDE

2. PLATES DIVERGE

3. PLATES SLIDE

11 of 12

How do you think this mountain chain in NY was created?

12 of 12

What do you think is happening in this photo?