2. Slide the upper cookie over the creamy filling. This motion simulates the movement of a rigid 3. Next, break the upper cookie in half. As you do so, listen to the sound it makes. What does that breaking represent? plate over the softer Divergent Boundaries Let's look at divergent plate boundaries. Divergent means 1. Now slide the two pieces apart and gently push down on both. What happens to the creamy filling? 2. The creamy filling between the two broken "plates" may tend to flow upward. When two plates move apart at a divergent boundary, the magma underneath decompresses and flows upward also. This creates a 3. True or False. Divergent boundaries cause lots of earthquakes. Convergent boundaries Now let's look at convergent plate boundaries. Convergent means 1. Take the two cookie halves and slowly push them toward each other. What happens to the filling as the plates slide together? . 2. What happens to the cookies as they push against each other? 3. As one cookie (plate) moves underneath the other we call it At convergent plate boundaries, the cold, brittle lithosphere extends to great depths, and deep earthquakes occur. The very largest earthquakes are at subduction zones where two plates get stuck together for centuries, then suddenly let go. Transform boundaries 1. Now let's look at a transform plate boundary. Try sliding the two cookie pieces laterally past one another, over the creamy filling. What do you notice about the cookie edges?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Oreo Cookies and Plate Tectonics
Amateur geologists can simulate how plates move on the Earth's
surface.
The term tectonics originates from the Greek word "tektön"
referring to a builder or architect. Plate tectonics suggests that
large features on Earth's surface, such as continents, ocean basins,
CREO
OREO
and mountain ranges, result from interactions along the edges of
large plates of Earth's outer shell. This outer shell is called the
lithosphere from the Greek "lithos," meaning hard rock. The plates, composed of Earth's crust
and uppermost mantle, ride on a warmer, softer layer of the mantle, called the asthenosphere.
In our experiment, the upper cookie will represent the lithosphere, the creamy filling the
asthenosphere, and the lower cookie the mesosphere. Label the Oreo Diagram below.
Upper Cookie
Creamy Filling
Lower Cookie
Plates move in three basic ways. Let's look at them one by one.
Choose a cookie. Don't eat it.yet!
1. First, carefully remove the upper cookie (a "twisting" motion is
required).
Transcribed Image Text:Oreo Cookies and Plate Tectonics Amateur geologists can simulate how plates move on the Earth's surface. The term tectonics originates from the Greek word "tektön" referring to a builder or architect. Plate tectonics suggests that large features on Earth's surface, such as continents, ocean basins, CREO OREO and mountain ranges, result from interactions along the edges of large plates of Earth's outer shell. This outer shell is called the lithosphere from the Greek "lithos," meaning hard rock. The plates, composed of Earth's crust and uppermost mantle, ride on a warmer, softer layer of the mantle, called the asthenosphere. In our experiment, the upper cookie will represent the lithosphere, the creamy filling the asthenosphere, and the lower cookie the mesosphere. Label the Oreo Diagram below. Upper Cookie Creamy Filling Lower Cookie Plates move in three basic ways. Let's look at them one by one. Choose a cookie. Don't eat it.yet! 1. First, carefully remove the upper cookie (a "twisting" motion is required).
2. Slide the upper cookie over the creamy filling. This motion simulates the movement of a
plate over the softer
rigid
3. Next, break the upper cookie in half. As you do so, listen to the sound it makes. What does
that breaking represent?.
Divergent Boundaries
Let's look at divergent plate boundaries. Divergent means
1. Now slide the two pieces apart and gently push down on both. What happens to the creamy
filling?
2. The creamy filling between the two broken "plates" may tend to flow upward. When two
plates move apart at a divergent boundary, the magma underneath decompresses and flows
upward also. This creates a
3. True or False. Divergent boundaries cause lots of earthquakes.
Convergent boundaries
Now let's look at convergent plate boundaries. Convergent
means
1. Take the two cookie halves and slowly push them
toward each other. What happens to the filling as the
plates slide together?
2. What happens to the cookies as they push against each other?
3. As one cookie (plate) moves underneath the other we call it
At convergent plate boundaries, the cold, brittle lithosphere extends to
great depths, and deep earthquakes occur. The very largest
earthquakes are at subduction zones where two plates get stuck
together for senturies, zhen suddenly let go.
Transform boundaries
1. Now let's look at a transform plate boundary. Try sliding the two cookie
pieces laterally past one another, over the creamy filling. What do you
notice about the cookie edges?
Transcribed Image Text:2. Slide the upper cookie over the creamy filling. This motion simulates the movement of a plate over the softer rigid 3. Next, break the upper cookie in half. As you do so, listen to the sound it makes. What does that breaking represent?. Divergent Boundaries Let's look at divergent plate boundaries. Divergent means 1. Now slide the two pieces apart and gently push down on both. What happens to the creamy filling? 2. The creamy filling between the two broken "plates" may tend to flow upward. When two plates move apart at a divergent boundary, the magma underneath decompresses and flows upward also. This creates a 3. True or False. Divergent boundaries cause lots of earthquakes. Convergent boundaries Now let's look at convergent plate boundaries. Convergent means 1. Take the two cookie halves and slowly push them toward each other. What happens to the filling as the plates slide together? 2. What happens to the cookies as they push against each other? 3. As one cookie (plate) moves underneath the other we call it At convergent plate boundaries, the cold, brittle lithosphere extends to great depths, and deep earthquakes occur. The very largest earthquakes are at subduction zones where two plates get stuck together for senturies, zhen suddenly let go. Transform boundaries 1. Now let's look at a transform plate boundary. Try sliding the two cookie pieces laterally past one another, over the creamy filling. What do you notice about the cookie edges?
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