Ch 22.4 Plate Tectonics

Ch 22.4 Plate Tectonics

Author: deirdre carney
  • Explain the hypothesis of continental drift
  • Relate how the theory of plate tectonics explains sea-floor spreading, subduction, and formation of mountains
  • Explain the mechanisms of plate movement

Nevada Science Standards

E.12.C.2 Students understand the concept of plate tectonics including the evidence that supports it (structural, geophysical and paleontological evidence). E/S 

Next Generation Science Standards

HS-ESS1-5. Evaluate evidence of the past and current movements of continental and oceanic crust and the theory of plate tectonics to explain the ages of crustal rocks.

HS-ESS2-1. Develop a model to illustrate how Earth’s internal and surface processes operate at different spatial and temporal scales to form continental and ocean-floor features.

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Video Clip: Alfred Wegner

Chapter 22.4 Plate Tectonics

Read Chapter 22.4 Plate Tectonics pg 676-683. Outline the reading in your Science Notebook & include major points and diagrams/tables.
You should focus on the following essential questions:
-What are plate tectonics and continental drift
-What are the roles sea-floor spreading and subduction in plate tectonics
-Why do tectonic plates move
-What are the types of plate boundaries and what are their characteristics
-Where do most mountains form

Full Screen

Source: Prentice Hall Physical Science - Concepts in Action

Video Clip: Plate Tectonics

Watch video and take notes in your science notebook.

Video Clip: Plate Boundaries

Watch video and take notes in your science notebook.

Video Clip: Mountain Formation

Watch video and take notes in your science notebook.

Online Activity - Dynamic Earth

Go to:  


Read and complete the interactive site on the "Dynamic Earth". Complete each section:

Plate Tectonics- Plates & Boundaries - Slip, Slide, & Collide.

Be sure to print out the results of your Quiz at the end of the activity. Turn in for credit.