Earthquakes and volcanoes
HDWK Mid Ocean Ridges –Detected a long time ago Molten Material (go look! Pillow Lava!) Magnetic Stripes Drilling Samples Subduction and Deep Ocean Trenches.
Earthquakes and Volcanoes
Ecological succession
Hawaiian Magma Fluid Explosive activity Fountains, low eruption columns Effusive activity Thin, extensive flows Dominant ejecta Bombs Structures Lava lakes.
Development of a Theory Chapter 6 Lesson 2. Mapping the Ocean Floor Echo Sounder – tool helped scientists mapping the depths of the ocean floor. Found.
E ARTH ’ S I NTERIOR AND P LATE T ECTONICS Chapter 19, Section 1 Planet Earth.
5.3 Bellringer/ How Ecosystems Change. Succession I. Succession-changes that take place in a community A.Primary succession A.Primary succession-colonization.
Ecological Succession. Succession: The gradual replacement of one plant community by another through natural processes over time.
6/5/03M-DCC / PCB 2340C1 Ecological Succession… …the Eternal Living Braid… by Nicolette, Leslie and Joel.
More Fluid --> Hotter + Easier gas release (less explosive) + Less siliceous