1. Discovering Earth’s History Rocks record geological events and changing life forms of the past.  We have learned that Earth is much older than anyone had previously…

1. Earth Structure 2. Four Main LayersInner coreOuter coreMantleCrust 3. CrustThinnest LayerTwo types of crust :Oceanic: made mostly igneous rock and Basalt. Found under…

1. ASTÚRIASRoberto Sami Ferreira 2. DECREASE IN THE SELLA RIVERThe Sella is a river located in northwest Spain. Itflows through the region of Asturias fromthe Picos de Europa…

Slide 1 Slide 2 17–1The Fossil Record A. Fossils and Ancient Life The fossil record provides evidence about the history of life on earth. It also shows how different groups…

Slide 1 Slide 2 By: Dj Lauser and Bricen Hue Slide 3 Aquaculture is growing plants or animals in salt, fresh or brackish water, It has been practiced with Hawaiian islanders…

Slide 1GEOLOGICAL TIME SCALE Section 18.1,18.2 By: Christian Flores and Jordan Slide 2 Section Objections Summarize the development of the geologic column. Summarize the…

Slide 1How Old is the Earth? 1654: Archbishop James Ussher of Ireland studied the timing of biblical events described in the Old Testament, and concluded that the the world…

Slide 1GEOLOGIC TIME Slide 2 Rocks Record Earth History Discovering Earths History Rocks record geological events and changing life forms of the past. We have learned that…

Slide 1The Age of Earth Slide 2 Classification Quick Quiz Write the letter of the correct definition below the number of the correct corresponding term. Remember to write…

Slide 1End Show Slide 1 of 40 Copyright Pearson Prentice Hall Outine 17-1: The Fossil Record Slide 2 End Show Slide 2 of 40 17-1 The Fossil Record Copyright Pearson Prentice…