1.Plate Tectonics Drifting continents:Theory of Continental Drift2.  Alfred Wegener suggested that allcontinents were joined together atsome time in the past. This is…

1. Sea-Floor Spreading 2. Standard Explain how constructive and destructive forces (e.g. continental drift, earthquakes, volcanoes, weathering, erosion) change the Earth’s…

Slide 1 Slide 2 Mid-Ocean Ridges Mid-ocean ridges are an undersea mountain chain where new ocean floor is produced. In the mid-1900’s, scientists begin mapping the mid-…

Slide 1 Chapter 7 Earth’s Moving Crust Lesson 1 Moving Plates Slide 2 Movement of Earth’s Crust Crust – Earth’s solid surface Volcanoes and Earthquakes are sudden…

On your paper, answer the following question of the day: In the Liquid Layers Lab, the coldest liquid was the most dense. In class you learned that the core is the most dense…

Development of Sea Floor Spreading DSDP 1950,s SONAR Sea- floor Spreading The longest chain of mountains in the world is the Mid-Ocean Ridge. Scientists have mapped the ocean…

Continental Drift Continental Drift Theory Most other scientists did not feel Wegenerâs theory was true. That was because Wegener couldnât come up with a theory as to why…

Development of Sea Floor Spreading DSDP 1950,s SONAR Sea- floor Spreading The longest chain of mountains in the world is the Mid-Ocean Ridge. Scientists have mapped the ocean…

PowerPoint Presentation Chapter 7 Review 1. Use the following terms in the same sentence: crust, mantle, and core. Scientists divide the Earth into the crust, mantle, and…

Sea Floor Spreading Sea Floor Spreading Mid-Ocean Ridges Mid-ocean ridges are an undersea mountain chain where new ocean floor is produced. In the mid-1900âs, scientists…