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Florida International University *

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Course

3202L

Subject

Geology

Date

Dec 6, 2023

Type

docx

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4

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Mechanisms of Movement Lab Report Problem: What happens to the asthenosphere as lithospheric plates move at the three types of plate boundaries? Hypothesis: Review the virtual lab demonstration in the lesson and stop the video when prompted to formulate a hypothesis. Hypothesize what will happen to the “plates” outside of your egg when you move them towards, away from, and past one another. If the “plates” move towards each other then they'll form a mountain . If the “plates” move away from each other then they'll form holes like trenches . If the “plates” move past each other then they'll keep going . Materials: Watch the virtual lab demonstration video within the lesson. No additional materials are needed. Optional : If you wish to perform the lab in the video demonstration, the materials are listed below. ● water ● pan ● raw egg ● cracking device such as a teaspoon ● paper towels or newspaper Procedures: 1. Watch the Tectonic Egg Virtual Lab Demonstration Video within the lesson and record your observations in Table 1.
2. Complete the Questions and Conclusion section of the lab report. Optional Procedures. 1. If you would like to perform the lab in the video demonstration, perform steps 2 through 8 under adult supervision. 2. Boil an egg until all parts are cooked (about 10 minutes). 3. Pour the water off and allow the egg to cool. You can put the egg in cold water to cool it more quickly. 4. Once the egg is cool, use a cracking device, such as a teaspoon, to lightly tap the shell in several places so there are several large cracks in the shell. Do not make too many cracks. There should be several large pieces of eggshell. 5. Place the egg on a layer of paper towels or newspapers. 6. Try to move the pieces of the cracked egg shell around on the surface of the egg. (Don't remove them; just see if they slide around.) There should be slight motion allowed by the membrane holding the shell to the rest of the egg inside. 7. Next, find two sections of the egg that are large and on opposite sides of a crack. Use your index fingers and gently pull the two sections away from each other. Observe what happens within and around the crack between the pieces. Record your observations in Table 1. 8. Stay in the same area of the egg and push the two pieces toward each other. Observe what happens within and around the crack. Record your observations in Table 1. 9. Stay in the same area of the egg and try to slide one section of the shell up or away from you and pull the other down or toward you. Observe what happens within and around the crack. Record your observations in Table 1. Data and Observations: Table 1: Tectonic Egg Movement Movement Observations egg shell pieces pushed towards one they made a mountain
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