. What are the two options of boundaries given in this simulation?
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Convergent and Transform
Transform and Divergent
Divergent and Transform
Convergent and Divergent
2. The directions had you start with a convergent boundary. What occurs at the boundary when you press play?
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The plates collide.
No movement occurs.
The plates move away from each other.
One plate moves north as the other moves south.
Click on "Keys and Options" in the upper right corner.
Click on "Map Type"
3. What is formed, according to your map, at the convergent boundary?
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Rift Valleys
Mountains
Ocean Floor
Click on "Take Sample" in order for the Key: Rock Type to show under Map Types.
4. Click on the highest elevation part of your continent with the "Take Sample" tool. What kind of sediments are found there?
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Oceanic
Continental
Click on the "Draw Cross Section" Tool
Take a cross section of your continent drawing from point A to point B across the boundary. Example below:
5. What type of rock does this green color with the white markings represent?
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Captionless Image
Metamorphic
Sedimentary
Igneous
Click the "Reset Plates" option. Choose "2 Plates" and the draw a continent that has the boundary in the middle. Click "next" and then click on the boundary and choose "divergent". Leave Plate 1 as lower density.
6. What happened to the original continent once you clicked "start"?
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Captionless Image
It created a mountainous region.
It split into two continents and each continued to move away from the other.
One part sub-ducted under the other at the boundary.
7. Draw a cross section from one part of the boundary to the opposite side. What is happening at the divergent boundary?
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Captionless Image
New rock is being formed from the magma.
Mountains are being formed.
Sedimentary rock is being formed.
Nothing is happening.
8. Click the toggle buttons on for both Volcanos and Earthquakes. The click on "Keys and Options" and then "Seismic Data" to see the key. What symbol represents volcanoes?
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a blue circle
a red circle
a blue triangle
a red triangle
9. Volcanoes and earthquakes occur at plate boundaries. Why?
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10. Explain why convergent boundaries have more metamorphic rocks while divergent boundaries have more igneous rocks.
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9. Volcanoes and earthquakes occur at plate boundaries because plate boundaries are areas where plates are constantly moving and interacting with each other. Volcanoes occur at convergent boundaries because the subduction of one plate beneath another creates conditions that can cause the melting of rock and the formation of magma. Earthquakes occur at both convergent and divergent boundaries because the movement and interactions of plates can create intense pressure and stress that eventually gets released in the form of seismic activity.
10. Convergent boundaries have more metamorphic rocks because the collision and subduction of plates at these boundaries causes intense heat and pressure, which can metamorphose existing rocks into new forms. Divergent boundaries, on the other hand, have more igneous rocks because the separation of plates at these boundaries allows for the upwelling of magma from the mantle, which eventually solidifies to form igneous rocks.