Piecing Together the Plates

byLisa McCready

What We’ve Discovered…

• Our Earth is covered with plates

• The borders between the plates are also known as “ ”

• There are three main types

• Oceanic vs. Continental

• Oceanic vs. Oceanic

• “ ”

• What happens here?

CONVERGENT

DIVERGENT

• In the Oceans

• On the Continents

• What happens here?

TRANSFORM

• What happens here?

What are Plates?Type of Crust Average Thickness Average Age Major Component

Continental Crust 20-80 kilometers 3 billion years Granite

Oceanic Crust

10 kilometers

Generally 70 to 100 million years old Basalt

Activity Time• Map the 15 most well known plates

• Discover their names

• Figure out some boundary types

• Develop a phrase to help you remember the plate names

• http://www.kidsknowit.com/educational-songs/index.php?topic=Geology

http://www.uky.edu/AS/Geology/howell/goodies/elearning/module04swf.swf

QUESTIONS?

http://uk.video.yahoo.com/watch/1595682/5390276

Who Loves Bill Nye, The Science Guy?

Citations• Slide Background Image:• http://www.freewebs.com/morganisrupert/597340%5B1%5D.jpg• Convergent, Divergent, Transform Images:• http://tbn2.google.com/images?q=tbn:FI_6AVFpQZz_eM:http://www.nasa.gov/images

/content/65872main_Convergent_Boundary.gif• Answer Key (Map with Plate Names):• http://www.learner.org/interactives/dynamicearth/images/new_map.jpg• 3-D Picture:• http://3dparks.wr.usgs.gov/deathvalley/html/thumbs.htm• Ideas/Definitions:• http://www.learner.org/interactives/dynamicearth/plate.html• http://pubs.usgs.gov/gip/dynamic/tectonic.html• http://www.nasa.gov/audience/forstudents/5-8/features/F_Earth_Has_Faults.html• What are Plates Images:• http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.sh

tml

What are Plates?

• http://www.learner.org/interactives/dynamicearth/structure.html