Slide 1Geologic History Slide 2 Geologic Time Scale Slide 3 Chart of Earths history showing events, time units, & ages Era: the four largest subdivisions of the geologic…

Slide 1 Robert Butler Jenda Johnson Kip Ault The Earth & Plate Tectonics Slide show prepared by: Slide 2 How do continents grow? Why do earthquakes occur in nearly every…

Slide 1 Canada UNIT 2: Physical diversity Chapter 4:Geologic History Slide 2 Geological History Our physical appearance has changed over time. Land is being built up. HOW?…

Slide 1 Chapter 15 Slide 2 Salinity The total amount of solid material dissolved in water. Measured in Parts Per Thousand (ppt ‰) Average Ocean Salinity = 35‰ Most of…

Slide 1 1 What is a Scientist? Slide 2 2 What Does A Scientist Look Like? Like This? Slide 3 3 What Does A Scientist Look Like? How about them? Slide 4 4 Types of Scientist…

Slide 1 Climate Change & Energy Climate is always changing Slide 2 Is the earth warming? Yes, it has been gradually warming for the last 400 years as we exit the Little…